Finding the Fourth Proportional to 10,473.10, 15,691.19 and 5,531.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,473.10 : 15,691.19 = 5,531.83 : x
2. Step 2: Convert to fraction form
   10,473.10/15,691.19 = 5,531.83/x
3. Step 3: Cross multiply
   10,473.10x = 15,691.19 × 5,531.83
4. Step 4: Simplify right side
   10,473.10x = 86,800,928.69
5. Step 5: Solve for x
   x = 86,800,928.69/10,473.10
6. Step 6: Final answer
   x = 8,287.99