Finding the Fourth Proportional to 1,341.86, 2,002.92 and 1,247.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,341.86 : 2,002.92 = 1,247.85 : x
2. Step 2: Convert to fraction form
   1,341.86/2,002.92 = 1,247.85/x
3. Step 3: Cross multiply
   1,341.86x = 2,002.92 × 1,247.85
4. Step 4: Simplify right side
   1,341.86x = 2,499,343.72
5. Step 5: Solve for x
   x = 2,499,343.72/1,341.86
6. Step 6: Final answer
   x = 1,862.60