Finding the Fourth Proportional to 2,628.52, 3,941.34 and 779.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,628.52 : 3,941.34 = 779.08 : x
2. Step 2: Convert to fraction form
   2,628.52/3,941.34 = 779.08/x
3. Step 3: Cross multiply
   2,628.52x = 3,941.34 × 779.08
4. Step 4: Simplify right side
   2,628.52x = 3,070,619.17
5. Step 5: Solve for x
   x = 3,070,619.17/2,628.52
6. Step 6: Final answer
   x = 1,168.19