Finding the Fourth Proportional to 42,445,997.10, 63,668,995.65 and 42,445,997.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,445,997.10 : 63,668,995.65 = 42,445,997.10 : x
2. Step 2: Convert to fraction form
   42,445,997.10/63,668,995.65 = 42,445,997.10/x
3. Step 3: Cross multiply
   42,445,997.10x = 63,668,995.65 × 42,445,997.10
4. Step 4: Simplify right side
   42,445,997.10x = 2,702,494,004,719,812.50
5. Step 5: Solve for x
   x = 2,702,494,004,719,812.50/42,445,997.10
6. Step 6: Final answer
   x = 63,668,995.65