Finding the Fourth Proportional to 2,081.50, 3,122.80 and 927.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081.50 : 3,122.80 = 927.52 : x
2. Step 2: Convert to fraction form
   2,081.50/3,122.80 = 927.52/x
3. Step 3: Cross multiply
   2,081.50x = 3,122.80 × 927.52
4. Step 4: Simplify right side
   2,081.50x = 2,896,459.46
5. Step 5: Solve for x
   x = 2,896,459.46/2,081.50
6. Step 6: Final answer
   x = 1,391.53