Finding the Fourth Proportional to 10,248.80, 14,142.30 and 5,771.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,248.80 : 14,142.30 = 5,771.84 : x
2. Step 2: Convert to fraction form
   10,248.80/14,142.30 = 5,771.84/x
3. Step 3: Cross multiply
   10,248.80x = 14,142.30 × 5,771.84
4. Step 4: Simplify right side
   10,248.80x = 81,627,092.83
5. Step 5: Solve for x
   x = 81,627,092.83/10,248.80
6. Step 6: Final answer
   x = 7,964.55