Finding the Fourth Proportional to 9,250.90, 12,765.98 and 5,058.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.90 : 12,765.98 = 5,058.88 : x
2. Step 2: Convert to fraction form
   9,250.90/12,765.98 = 5,058.88/x
3. Step 3: Cross multiply
   9,250.90x = 12,765.98 × 5,058.88
4. Step 4: Simplify right side
   9,250.90x = 64,581,560.90
5. Step 5: Solve for x
   x = 64,581,560.90/9,250.90
6. Step 6: Final answer
   x = 6,981.11