Finding the Fourth Proportional to 9,247.72, 12,761.86 and 5,055.98

Step by Step Solution

1. Step 1: Write the proportion equation
   9,247.72 : 12,761.86 = 5,055.98 : x
2. Step 2: Convert to fraction form
   9,247.72/12,761.86 = 5,055.98/x
3. Step 3: Cross multiply
   9,247.72x = 12,761.86 × 5,055.98
4. Step 4: Simplify right side
   9,247.72x = 64,523,708.92
5. Step 5: Solve for x
   x = 64,523,708.92/9,247.72
6. Step 6: Final answer
   x = 6,977.26