Finding the Fourth Proportional to 2,016.59, 3,025.55 and 784.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.59 : 3,025.55 = 784.01 : x
2. Step 2: Convert to fraction form
   2,016.59/3,025.55 = 784.01/x
3. Step 3: Cross multiply
   2,016.59x = 3,025.55 × 784.01
4. Step 4: Simplify right side
   2,016.59x = 2,372,042.41
5. Step 5: Solve for x
   x = 2,372,042.41/2,016.59
6. Step 6: Final answer
   x = 1,176.27