Finding the Fourth Proportional to 10,261.52, 14,160.80 and 5,786.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,261.52 : 14,160.80 = 5,786.72 : x
2. Step 2: Convert to fraction form
   10,261.52/14,160.80 = 5,786.72/x
3. Step 3: Cross multiply
   10,261.52x = 14,160.80 × 5,786.72
4. Step 4: Simplify right side
   10,261.52x = 81,944,555.64
5. Step 5: Solve for x
   x = 81,944,555.64/10,261.52
6. Step 6: Final answer
   x = 7,985.61