Finding the Fourth Proportional to 9,250.56, 12,765.78 and 5,058.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,250.56 : 12,765.78 = 5,058.81 : x
2. Step 2: Convert to fraction form
   9,250.56/12,765.78 = 5,058.81/x
3. Step 3: Cross multiply
   9,250.56x = 12,765.78 × 5,058.81
4. Step 4: Simplify right side
   9,250.56x = 64,579,655.52
5. Step 5: Solve for x
   x = 64,579,655.52/9,250.56
6. Step 6: Final answer
   x = 6,981.16