Finding the Fourth Proportional to 1,061.47, 1,589.91 and 944.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061.47 : 1,589.91 = 944.61 : x
2. Step 2: Convert to fraction form
   1,061.47/1,589.91 = 944.61/x
3. Step 3: Cross multiply
   1,061.47x = 1,589.91 × 944.61
4. Step 4: Simplify right side
   1,061.47x = 1,501,844.89
5. Step 5: Solve for x
   x = 1,501,844.89/1,061.47
6. Step 6: Final answer
   x = 1,414.87