Finding the Fourth Proportional to 63,617.30, 89,187.10 and 63,617.30

Step by Step Solution

1. Step 1: Write the proportion equation
   63,617.30 : 89,187.10 = 63,617.30 : x
2. Step 2: Convert to fraction form
   63,617.30/89,187.10 = 63,617.30/x
3. Step 3: Cross multiply
   63,617.30x = 89,187.10 × 63,617.30
4. Step 4: Simplify right side
   63,617.30x = 5,673,842,496.83
5. Step 5: Solve for x
   x = 5,673,842,496.83/63,617.30
6. Step 6: Final answer
   x = 89,187.10