Finding the Fourth Proportional to 9,242.88, 12,754.70 and 5,263.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,242.88 : 12,754.70 = 5,263.98 : x
2. Step 2: Convert to fraction form
   9,242.88/12,754.70 = 5,263.98/x
3. Step 3: Cross multiply
   9,242.88x = 12,754.70 × 5,263.98
4. Step 4: Simplify right side
   9,242.88x = 67,140,485.71
5. Step 5: Solve for x
   x = 67,140,485.71/9,242.88
6. Step 6: Final answer
   x = 7,264.02