Finding the Fourth Proportional to 63,925.10, 89,378.50 and 63,925.10

Step by Step Solution

1. Step 1: Write the proportion equation
   63,925.10 : 89,378.50 = 63,925.10 : x
2. Step 2: Convert to fraction form
   63,925.10/89,378.50 = 63,925.10/x
3. Step 3: Cross multiply
   63,925.10x = 89,378.50 × 63,925.10
4. Step 4: Simplify right side
   63,925.10x = 5,713,529,550.35
5. Step 5: Solve for x
   x = 5,713,529,550.35/63,925.10
6. Step 6: Final answer
   x = 89,378.50