Finding the Fourth Proportional to 1,432.43, 1,976.35 and 901.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.43 : 1,976.35 = 901.38 : x
2. Step 2: Convert to fraction form
   1,432.43/1,976.35 = 901.38/x
3. Step 3: Cross multiply
   1,432.43x = 1,976.35 × 901.38
4. Step 4: Simplify right side
   1,432.43x = 1,781,437.86
5. Step 5: Solve for x
   x = 1,781,437.86/1,432.43
6. Step 6: Final answer
   x = 1,243.65