Finding the Fourth Proportional to 10,132.62, 15,170.94 and 5,191.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,132.62 : 15,170.94 = 5,191.62 : x
2. Step 2: Convert to fraction form
   10,132.62/15,170.94 = 5,191.62/x
3. Step 3: Cross multiply
   10,132.62x = 15,170.94 × 5,191.62
4. Step 4: Simplify right side
   10,132.62x = 78,761,755.52
5. Step 5: Solve for x
   x = 78,761,755.52/10,132.62
6. Step 6: Final answer
   x = 7,773.09