Finding the Fourth Proportional to 2,078.52, 3,116.76 and 617.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,078.52 : 3,116.76 = 617.37 : x
2. Step 2: Convert to fraction form
   2,078.52/3,116.76 = 617.37/x
3. Step 3: Cross multiply
   2,078.52x = 3,116.76 × 617.37
4. Step 4: Simplify right side
   2,078.52x = 1,924,194.12
5. Step 5: Solve for x
   x = 1,924,194.12/2,078.52
6. Step 6: Final answer
   x = 925.75