Finding the Fourth Proportional to 3,242.85, 4,861.71 and 1,162.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,242.85 : 4,861.71 = 1,162.50 : x
2. Step 2: Convert to fraction form
   3,242.85/4,861.71 = 1,162.50/x
3. Step 3: Cross multiply
   3,242.85x = 4,861.71 × 1,162.50
4. Step 4: Simplify right side
   3,242.85x = 5,651,737.88
5. Step 5: Solve for x
   x = 5,651,737.88/3,242.85
6. Step 6: Final answer
   x = 1,742.83