Finding the Fourth Proportional to 42,290,342.10, 63,435,513.15 and 39,739,425.30

Step by Step Solution

1. Step 1: Write the proportion equation
   42,290,342.10 : 63,435,513.15 = 39,739,425.30 : x
2. Step 2: Convert to fraction form
   42,290,342.10/63,435,513.15 = 39,739,425.30/x
3. Step 3: Cross multiply
   42,290,342.10x = 63,435,513.15 × 39,739,425.30
4. Step 4: Simplify right side
   42,290,342.10x = 2,520,890,836,191,592.50
5. Step 5: Solve for x
   x = 2,520,890,836,191,592.50/42,290,342.10
6. Step 6: Final answer
   x = 59,609,137.95