Finding the Fourth Proportional to 9,025.88, 12,455.51 and 4,992.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.88 : 12,455.51 = 4,992.71 : x
2. Step 2: Convert to fraction form
   9,025.88/12,455.51 = 4,992.71/x
3. Step 3: Cross multiply
   9,025.88x = 12,455.51 × 4,992.71
4. Step 4: Simplify right side
   9,025.88x = 62,186,662.09
5. Step 5: Solve for x
   x = 62,186,662.09/9,025.88
6. Step 6: Final answer
   x = 6,889.82