Finding the Fourth Proportional to 404,401,484,078.16, 557,805,332,449.80 and 260,068,093,158.48

Step by Step Solution

1. Step 1: Write the proportion equation
   404,401,484,078.16 : 557,805,332,449.80 = 260,068,093,158.48 : x
2. Step 2: Convert to fraction form
   404,401,484,078.16/557,805,332,449.80 = 260,068,093,158.48/x
3. Step 3: Cross multiply
   404,401,484,078.16x = 557,805,332,449.80 × 260,068,093,158.48
4. Step 4: Simplify right side
   404,401,484,078.16x = 145,067,369,163,851,510,579,200
5. Step 5: Solve for x
   x = 145,067,369,163,851,510,579,200/404,401,484,078.16
6. Step 6: Final answer
   x = 358,721,159,232.48