Finding the Fourth Proportional to 2,083.59, 3,124.98 and 784.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,083.59 : 3,124.98 = 784.62 : x
2. Step 2: Convert to fraction form
   2,083.59/3,124.98 = 784.62/x
3. Step 3: Cross multiply
   2,083.59x = 3,124.98 × 784.62
4. Step 4: Simplify right side
   2,083.59x = 2,451,921.81
5. Step 5: Solve for x
   x = 2,451,921.81/2,083.59
6. Step 6: Final answer
   x = 1,176.78