Finding the Fourth Proportional to 2,102.34, 3,154.59 and 932.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,102.34 : 3,154.59 = 932.61 : x
2. Step 2: Convert to fraction form
   2,102.34/3,154.59 = 932.61/x
3. Step 3: Cross multiply
   2,102.34x = 3,154.59 × 932.61
4. Step 4: Simplify right side
   2,102.34x = 2,942,002.18
5. Step 5: Solve for x
   x = 2,942,002.18/2,102.34
6. Step 6: Final answer
   x = 1,399.39