Finding the Fourth Proportional to 9,242.56, 12,761.28 and 5,706.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,242.56 : 12,761.28 = 5,706.88 : x
2. Step 2: Convert to fraction form
   9,242.56/12,761.28 = 5,706.88/x
3. Step 3: Cross multiply
   9,242.56x = 12,761.28 × 5,706.88
4. Step 4: Simplify right side
   9,242.56x = 72,827,093.61
5. Step 5: Solve for x
   x = 72,827,093.61/9,242.56
6. Step 6: Final answer
   x = 7,879.54