Finding the Fourth Proportional to 11,169.32, 15,402.83 and 7,543.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,169.32 : 15,402.83 = 7,543.34 : x
2. Step 2: Convert to fraction form
   11,169.32/15,402.83 = 7,543.34/x
3. Step 3: Cross multiply
   11,169.32x = 15,402.83 × 7,543.34
4. Step 4: Simplify right side
   11,169.32x = 116,188,841.02
5. Step 5: Solve for x
   x = 116,188,841.02/11,169.32
6. Step 6: Final answer
   x = 10,402.50