Finding the Fourth Proportional to 10,487.12, 14,472.25 and 5,707.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.12 : 14,472.25 = 5,707.07 : x
2. Step 2: Convert to fraction form
   10,487.12/14,472.25 = 5,707.07/x
3. Step 3: Cross multiply
   10,487.12x = 14,472.25 × 5,707.07
4. Step 4: Simplify right side
   10,487.12x = 82,594,071.45
5. Step 5: Solve for x
   x = 82,594,071.45/10,487.12
6. Step 6: Final answer
   x = 7,875.76