Finding the Fourth Proportional to 10,238.17, 14,128.73 and 5,761.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,238.17 : 14,128.73 = 5,761.99 : x
2. Step 2: Convert to fraction form
   10,238.17/14,128.73 = 5,761.99/x
3. Step 3: Cross multiply
   10,238.17x = 14,128.73 × 5,761.99
4. Step 4: Simplify right side
   10,238.17x = 81,409,600.97
5. Step 5: Solve for x
   x = 81,409,600.97/10,238.17
6. Step 6: Final answer
   x = 7,951.58