Finding the Fourth Proportional to 154,395,874.48, 213,070,008.59 and 83,834,458.72

Step by Step Solution

1. Step 1: Write the proportion equation
   154,395,874.48 : 213,070,008.59 = 83,834,458.72 : x
2. Step 2: Convert to fraction form
   154,395,874.48/213,070,008.59 = 83,834,458.72/x
3. Step 3: Cross multiply
   154,395,874.48x = 213,070,008.59 × 83,834,458.72
4. Step 4: Simplify right side
   154,395,874.48x = 17,862,608,839,608,400
5. Step 5: Solve for x
   x = 17,862,608,839,608,400/154,395,874.48
6. Step 6: Final answer
   x = 115,693,563.06