Finding the Fourth Proportional to 42,028,749.86, 63,132,733.20 and 39,571,499.57

Step by Step Solution

1. Step 1: Write the proportion equation
   42,028,749.86 : 63,132,733.20 = 39,571,499.57 : x
2. Step 2: Convert to fraction form
   42,028,749.86/63,132,733.20 = 39,571,499.57/x
3. Step 3: Cross multiply
   42,028,749.86x = 63,132,733.20 × 39,571,499.57
4. Step 4: Simplify right side
   42,028,749.86x = 2,498,256,924,676,725
5. Step 5: Solve for x
   x = 2,498,256,924,676,725/42,028,749.86
6. Step 6: Final answer
   x = 59,441,618.73