Finding the Fourth Proportional to 64,162,105.30, 96,231,348.15 and 39,857,536.90

Step by Step Solution

1. Step 1: Write the proportion equation
   64,162,105.30 : 96,231,348.15 = 39,857,536.90 : x
2. Step 2: Convert to fraction form
   64,162,105.30/96,231,348.15 = 39,857,536.90/x
3. Step 3: Cross multiply
   64,162,105.30x = 96,231,348.15 × 39,857,536.90
4. Step 4: Simplify right side
   64,162,105.30x = 3,835,544,509,825,372
5. Step 5: Solve for x
   x = 3,835,544,509,825,372/64,162,105.30
6. Step 6: Final answer
   x = 59,778,969.10