Finding the Fourth Proportional to 1,359.12, 1,875.61 and 1,060.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.12 : 1,875.61 = 1,060.71 : x
2. Step 2: Convert to fraction form
   1,359.12/1,875.61 = 1,060.71/x
3. Step 3: Cross multiply
   1,359.12x = 1,875.61 × 1,060.71
4. Step 4: Simplify right side
   1,359.12x = 1,989,478.28
5. Step 5: Solve for x
   x = 1,989,478.28/1,359.12
6. Step 6: Final answer
   x = 1,463.80