Finding the Fourth Proportional to 1,377.89, 1,901.72 and 1,332.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,377.89 : 1,901.72 = 1,332.33 : x
2. Step 2: Convert to fraction form
   1,377.89/1,901.72 = 1,332.33/x
3. Step 3: Cross multiply
   1,377.89x = 1,901.72 × 1,332.33
4. Step 4: Simplify right side
   1,377.89x = 2,533,702.44
5. Step 5: Solve for x
   x = 2,533,702.44/1,377.89
6. Step 6: Final answer
   x = 1,838.83