Finding the Fourth Proportional to 2,084.13, 3,124.98 and 784.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,084.13 : 3,124.98 = 784.89 : x
2. Step 2: Convert to fraction form
   2,084.13/3,124.98 = 784.89/x
3. Step 3: Cross multiply
   2,084.13x = 3,124.98 × 784.89
4. Step 4: Simplify right side
   2,084.13x = 2,452,765.55
5. Step 5: Solve for x
   x = 2,452,765.55/2,084.13
6. Step 6: Final answer
   x = 1,176.88