Finding the Fourth Proportional to 1,432.38, 1,976.56 and 901.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.38 : 1,976.56 = 901.09 : x
2. Step 2: Convert to fraction form
   1,432.38/1,976.56 = 901.09/x
3. Step 3: Cross multiply
   1,432.38x = 1,976.56 × 901.09
4. Step 4: Simplify right side
   1,432.38x = 1,781,058.45
5. Step 5: Solve for x
   x = 1,781,058.45/1,432.38
6. Step 6: Final answer
   x = 1,243.43