Finding the Fourth Proportional to 10,547.31, 15,823.37 and 5,614.35

Step by Step Solution

1. Step 1: Write the proportion equation
   10,547.31 : 15,823.37 = 5,614.35 : x
2. Step 2: Convert to fraction form
   10,547.31/15,823.37 = 5,614.35/x
3. Step 3: Cross multiply
   10,547.31x = 15,823.37 × 5,614.35
4. Step 4: Simplify right side
   10,547.31x = 88,837,909.29
5. Step 5: Solve for x
   x = 88,837,909.29/10,547.31
6. Step 6: Final answer
   x = 8,422.80