Finding the Fourth Proportional to 1,423.74, 2,132.55 and 1,250.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,423.74 : 2,132.55 = 1,250.58 : x
2. Step 2: Convert to fraction form
   1,423.74/2,132.55 = 1,250.58/x
3. Step 3: Cross multiply
   1,423.74x = 2,132.55 × 1,250.58
4. Step 4: Simplify right side
   1,423.74x = 2,666,924.38
5. Step 5: Solve for x
   x = 2,666,924.38/1,423.74
6. Step 6: Final answer
   x = 1,873.18