Finding the Fourth Proportional to 72,637,129.85, 100,238,410.82 and 39,596,650.10

Step by Step Solution

1. Step 1: Write the proportion equation
   72,637,129.85 : 100,238,410.82 = 39,596,650.10 : x
2. Step 2: Convert to fraction form
   72,637,129.85/100,238,410.82 = 39,596,650.10/x
3. Step 3: Cross multiply
   72,637,129.85x = 100,238,410.82 × 39,596,650.10
4. Step 4: Simplify right side
   72,637,129.85x = 3,969,105,279,120,418.50
5. Step 5: Solve for x
   x = 3,969,105,279,120,418.50/72,637,129.85
6. Step 6: Final answer
   x = 54,642,925.56