Finding the Fourth Proportional to 7,074.30, 10,611.72 and 2,691.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,074.30 : 10,611.72 = 2,691.12 : x
2. Step 2: Convert to fraction form
   7,074.30/10,611.72 = 2,691.12/x
3. Step 3: Cross multiply
   7,074.30x = 10,611.72 × 2,691.12
4. Step 4: Simplify right side
   7,074.30x = 28,557,411.93
5. Step 5: Solve for x
   x = 28,557,411.93/7,074.30
6. Step 6: Final answer
   x = 4,036.78