Finding the Fourth Proportional to 11,426.01, 17,132.09 and 7,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,426.01 : 17,132.09 = 7,472.50 : x
2. Step 2: Convert to fraction form
   11,426.01/17,132.09 = 7,472.50/x
3. Step 3: Cross multiply
   11,426.01x = 17,132.09 × 7,472.50
4. Step 4: Simplify right side
   11,426.01x = 128,019,456.86
5. Step 5: Solve for x
   x = 128,019,456.86/11,426.01
6. Step 6: Final answer
   x = 11,204.21