Finding the Fourth Proportional to 3,387.50, 5,081.52 and 922.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,387.50 : 5,081.52 = 922.52 : x
2. Step 2: Convert to fraction form
   3,387.50/5,081.52 = 922.52/x
3. Step 3: Cross multiply
   3,387.50x = 5,081.52 × 922.52
4. Step 4: Simplify right side
   3,387.50x = 4,687,803.83
5. Step 5: Solve for x
   x = 4,687,803.83/3,387.50
6. Step 6: Final answer
   x = 1,383.85