Finding the Fourth Proportional to 11,413.48, 17,155.86 and 7,542.76

Step by Step Solution

1. Step 1: Write the proportion equation
   11,413.48 : 17,155.86 = 7,542.76 : x
2. Step 2: Convert to fraction form
   11,413.48/17,155.86 = 7,542.76/x
3. Step 3: Cross multiply
   11,413.48x = 17,155.86 × 7,542.76
4. Step 4: Simplify right side
   11,413.48x = 129,402,534.57
5. Step 5: Solve for x
   x = 129,402,534.57/11,413.48
6. Step 6: Final answer
   x = 11,337.69