Finding the Fourth Proportional to 42,442,404.10, 63,663,606.15 and 42,442,404.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,442,404.10 : 63,663,606.15 = 42,442,404.10 : x
2. Step 2: Convert to fraction form
   42,442,404.10/63,663,606.15 = 42,442,404.10/x
3. Step 3: Cross multiply
   42,442,404.10x = 63,663,606.15 × 42,442,404.10
4. Step 4: Simplify right side
   42,442,404.10x = 2,702,036,498,681,545
5. Step 5: Solve for x
   x = 2,702,036,498,681,545/42,442,404.10
6. Step 6: Final answer
   x = 63,663,606.15