Finding the Fourth Proportional to 6,160.38, 8,501.31 and 3,507.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,160.38 : 8,501.31 = 3,507.78 : x
2. Step 2: Convert to fraction form
   6,160.38/8,501.31 = 3,507.78/x
3. Step 3: Cross multiply
   6,160.38x = 8,501.31 × 3,507.78
4. Step 4: Simplify right side
   6,160.38x = 29,820,682.69
5. Step 5: Solve for x
   x = 29,820,682.69/6,160.38
6. Step 6: Final answer
   x = 4,840.73