Finding the Fourth Proportional to 9,757.55, 13,465.50 and 5,726.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,757.55 : 13,465.50 = 5,726.79 : x
2. Step 2: Convert to fraction form
   9,757.55/13,465.50 = 5,726.79/x
3. Step 3: Cross multiply
   9,757.55x = 13,465.50 × 5,726.79
4. Step 4: Simplify right side
   9,757.55x = 77,114,090.75
5. Step 5: Solve for x
   x = 77,114,090.75/9,757.55
6. Step 6: Final answer
   x = 7,903.02