Finding the Fourth Proportional to 1,437.39, 2,158.52 and 1,281.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,437.39 : 2,158.52 = 1,281.47 : x
2. Step 2: Convert to fraction form
   1,437.39/2,158.52 = 1,281.47/x
3. Step 3: Cross multiply
   1,437.39x = 2,158.52 × 1,281.47
4. Step 4: Simplify right side
   1,437.39x = 2,766,061.42
5. Step 5: Solve for x
   x = 2,766,061.42/1,437.39
6. Step 6: Final answer
   x = 1,924.36