Finding the Fourth Proportional to 2,656.52, 3,983.34 and 807.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,656.52 : 3,983.34 = 807.08 : x
2. Step 2: Convert to fraction form
   2,656.52/3,983.34 = 807.08/x
3. Step 3: Cross multiply
   2,656.52x = 3,983.34 × 807.08
4. Step 4: Simplify right side
   2,656.52x = 3,214,874.05
5. Step 5: Solve for x
   x = 3,214,874.05/2,656.52
6. Step 6: Final answer
   x = 1,210.18