Finding the Fourth Proportional to 10,248.34, 14,142.63 and 5,772.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.34 : 14,142.63 = 5,772.16 : x
2. Step 2: Convert to fraction form
   10,248.34/14,142.63 = 5,772.16/x
3. Step 3: Cross multiply
   10,248.34x = 14,142.63 × 5,772.16
4. Step 4: Simplify right side
   10,248.34x = 81,633,523.18
5. Step 5: Solve for x
   x = 81,633,523.18/10,248.34
6. Step 6: Final answer
   x = 7,965.54