Finding the Fourth Proportional to 1,470.27, 2,191.08 and 1,425.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,470.27 : 2,191.08 = 1,425.77 : x
2. Step 2: Convert to fraction form
   1,470.27/2,191.08 = 1,425.77/x
3. Step 3: Cross multiply
   1,470.27x = 2,191.08 × 1,425.77
4. Step 4: Simplify right side
   1,470.27x = 3,123,976.13
5. Step 5: Solve for x
   x = 3,123,976.13/1,470.27
6. Step 6: Final answer
   x = 2,124.76