Finding the Fourth Proportional to 1,755.34, 2,631.12 and 932.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,755.34 : 2,631.12 = 932.79 : x
2. Step 2: Convert to fraction form
   1,755.34/2,631.12 = 932.79/x
3. Step 3: Cross multiply
   1,755.34x = 2,631.12 × 932.79
4. Step 4: Simplify right side
   1,755.34x = 2,454,269.27
5. Step 5: Solve for x
   x = 2,454,269.27/1,755.34
6. Step 6: Final answer
   x = 1,398.17