Finding the Fourth Proportional to 1,410.91, 1,947.28 and 1,348.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,410.91 : 1,947.28 = 1,348.61 : x
2. Step 2: Convert to fraction form
   1,410.91/1,947.28 = 1,348.61/x
3. Step 3: Cross multiply
   1,410.91x = 1,947.28 × 1,348.61
4. Step 4: Simplify right side
   1,410.91x = 2,626,121.28
5. Step 5: Solve for x
   x = 2,626,121.28/1,410.91
6. Step 6: Final answer
   x = 1,861.30