Finding the Fourth Proportional to 10,443.31, 14,412.50 and 5,727.90

Step by Step Solution

1. Step 1: Write the proportion equation
   10,443.31 : 14,412.50 = 5,727.90 : x
2. Step 2: Convert to fraction form
   10,443.31/14,412.50 = 5,727.90/x
3. Step 3: Cross multiply
   10,443.31x = 14,412.50 × 5,727.90
4. Step 4: Simplify right side
   10,443.31x = 82,553,358.75
5. Step 5: Solve for x
   x = 82,553,358.75/10,443.31
6. Step 6: Final answer
   x = 7,904.90