Finding the Fourth Proportional to 2,017.17, 3,026.99 and 784.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.17 : 3,026.99 = 784.71 : x
2. Step 2: Convert to fraction form
   2,017.17/3,026.99 = 784.71/x
3. Step 3: Cross multiply
   2,017.17x = 3,026.99 × 784.71
4. Step 4: Simplify right side
   2,017.17x = 2,375,309.32
5. Step 5: Solve for x
   x = 2,375,309.32/2,017.17
6. Step 6: Final answer
   x = 1,177.55