Finding the Fourth Proportional to 111,726,544.32, 154,159,523.76 and 65,307,819.24

Step by Step Solution

1. Step 1: Write the proportion equation
   111,726,544.32 : 154,159,523.76 = 65,307,819.24 : x
2. Step 2: Convert to fraction form
   111,726,544.32/154,159,523.76 = 65,307,819.24/x
3. Step 3: Cross multiply
   111,726,544.32x = 154,159,523.76 × 65,307,819.24
4. Step 4: Simplify right side
   111,726,544.32x = 10,067,822,311,842,564
5. Step 5: Solve for x
   x = 10,067,822,311,842,564/111,726,544.32
6. Step 6: Final answer
   x = 90,111,283.52