Finding the Fourth Proportional to 1,359.77, 1,875.87 and 1,044.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359.77 : 1,875.87 = 1,044.47 : x
2. Step 2: Convert to fraction form
   1,359.77/1,875.87 = 1,044.47/x
3. Step 3: Cross multiply
   1,359.77x = 1,875.87 × 1,044.47
4. Step 4: Simplify right side
   1,359.77x = 1,959,280.56
5. Step 5: Solve for x
   x = 1,959,280.56/1,359.77
6. Step 6: Final answer
   x = 1,440.90