Finding the Fourth Proportional to 11,061.30, 15,524.70 and 11,061.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,061.30 : 15,524.70 = 11,061.30 : x
2. Step 2: Convert to fraction form
   11,061.30/15,524.70 = 11,061.30/x
3. Step 3: Cross multiply
   11,061.30x = 15,524.70 × 11,061.30
4. Step 4: Simplify right side
   11,061.30x = 171,723,364.11
5. Step 5: Solve for x
   x = 171,723,364.11/11,061.30
6. Step 6: Final answer
   x = 15,524.70