Finding the Fourth Proportional to 5,849.31, 8,753.11 and 4,686.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,849.31 : 8,753.11 = 4,686.78 : x
2. Step 2: Convert to fraction form
   5,849.31/8,753.11 = 4,686.78/x
3. Step 3: Cross multiply
   5,849.31x = 8,753.11 × 4,686.78
4. Step 4: Simplify right side
   5,849.31x = 41,023,900.89
5. Step 5: Solve for x
   x = 41,023,900.89/5,849.31
6. Step 6: Final answer
   x = 7,013.46