Finding the Fourth Proportional to 42,604,872.10, 63,907,308.15 and 42,604,872.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,604,872.10 : 63,907,308.15 = 42,604,872.10 : x
2. Step 2: Convert to fraction form
   42,604,872.10/63,907,308.15 = 42,604,872.10/x
3. Step 3: Cross multiply
   42,604,872.10x = 63,907,308.15 × 42,604,872.10
4. Step 4: Simplify right side
   42,604,872.10x = 2,722,762,689,986,037.50
5. Step 5: Solve for x
   x = 2,722,762,689,986,037.50/42,604,872.10
6. Step 6: Final answer
   x = 63,907,308.15