Finding the Fourth Proportional to 10,487.25, 14,472.28 and 5,707.33

Step by Step Solution

1. Step 1: Write the proportion equation
   10,487.25 : 14,472.28 = 5,707.33 : x
2. Step 2: Convert to fraction form
   10,487.25/14,472.28 = 5,707.33/x
3. Step 3: Cross multiply
   10,487.25x = 14,472.28 × 5,707.33
4. Step 4: Simplify right side
   10,487.25x = 82,598,077.81
5. Step 5: Solve for x
   x = 82,598,077.81/10,487.25
6. Step 6: Final answer
   x = 7,876.05