Finding the Fourth Proportional to 42,124,073.10, 63,060,138.45 and 39,632,642.70

Step by Step Solution

1. Step 1: Write the proportion equation
   42,124,073.10 : 63,060,138.45 = 39,632,642.70 : x
2. Step 2: Convert to fraction form
   42,124,073.10/63,060,138.45 = 39,632,642.70/x
3. Step 3: Cross multiply
   42,124,073.10x = 63,060,138.45 × 39,632,642.70
4. Step 4: Simplify right side
   42,124,073.10x = 2,499,239,935,801,382
5. Step 5: Solve for x
   x = 2,499,239,935,801,382/42,124,073.10
6. Step 6: Final answer
   x = 59,330,443.42