Finding the Fourth Proportional to 9,531.69, 13,151.61 and 5,755.47

Step by Step Solution

1. Step 1: Write the proportion equation
   9,531.69 : 13,151.61 = 5,755.47 : x
2. Step 2: Convert to fraction form
   9,531.69/13,151.61 = 5,755.47/x
3. Step 3: Cross multiply
   9,531.69x = 13,151.61 × 5,755.47
4. Step 4: Simplify right side
   9,531.69x = 75,693,696.81
5. Step 5: Solve for x
   x = 75,693,696.81/9,531.69
6. Step 6: Final answer
   x = 7,941.27