Finding the Fourth Proportional to 2,084.37, 3,124.37 and 987.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.37 : 3,124.37 = 987.42 : x
2. Step 2: Convert to fraction form
   2,084.37/3,124.37 = 987.42/x
3. Step 3: Cross multiply
   2,084.37x = 3,124.37 × 987.42
4. Step 4: Simplify right side
   2,084.37x = 3,085,079.61
5. Step 5: Solve for x
   x = 3,085,079.61/2,084.37
6. Step 6: Final answer
   x = 1,480.10