Finding the Fourth Proportional to 10,239.75, 14,131.98 and 5,764.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,239.75 : 14,131.98 = 5,764.59 : x
2. Step 2: Convert to fraction form
   10,239.75/14,131.98 = 5,764.59/x
3. Step 3: Cross multiply
   10,239.75x = 14,131.98 × 5,764.59
4. Step 4: Simplify right side
   10,239.75x = 81,465,070.59
5. Step 5: Solve for x
   x = 81,465,070.59/10,239.75
6. Step 6: Final answer
   x = 7,955.77