Finding the Fourth Proportional to 10,248.58, 14,142.79 and 5,772.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.58 : 14,142.79 = 5,772.34 : x
2. Step 2: Convert to fraction form
   10,248.58/14,142.79 = 5,772.34/x
3. Step 3: Cross multiply
   10,248.58x = 14,142.79 × 5,772.34
4. Step 4: Simplify right side
   10,248.58x = 81,636,963.57
5. Step 5: Solve for x
   x = 81,636,963.57/10,248.58
6. Step 6: Final answer
   x = 7,965.69