Finding the Fourth Proportional to 1,444.76, 2,158.28 and 947.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.76 : 2,158.28 = 947.12 : x
2. Step 2: Convert to fraction form
   1,444.76/2,158.28 = 947.12/x
3. Step 3: Cross multiply
   1,444.76x = 2,158.28 × 947.12
4. Step 4: Simplify right side
   1,444.76x = 2,044,150.15
5. Step 5: Solve for x
   x = 2,044,150.15/1,444.76
6. Step 6: Final answer
   x = 1,414.87