Finding the Fourth Proportional to 3,240.56, 4,861.86 and 1,160.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,240.56 : 4,861.86 = 1,160.52 : x
2. Step 2: Convert to fraction form
   3,240.56/4,861.86 = 1,160.52/x
3. Step 3: Cross multiply
   3,240.56x = 4,861.86 × 1,160.52
4. Step 4: Simplify right side
   3,240.56x = 5,642,285.77
5. Step 5: Solve for x
   x = 5,642,285.77/3,240.56
6. Step 6: Final answer
   x = 1,741.15