Finding the Fourth Proportional to 1,474.30, 2,194.05 and 1,425.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,474.30 : 2,194.05 = 1,425.09 : x
2. Step 2: Convert to fraction form
   1,474.30/2,194.05 = 1,425.09/x
3. Step 3: Cross multiply
   1,474.30x = 2,194.05 × 1,425.09
4. Step 4: Simplify right side
   1,474.30x = 3,126,726.27
5. Step 5: Solve for x
   x = 3,126,726.27/1,474.30
6. Step 6: Final answer
   x = 2,120.82