Finding the Fourth Proportional to 10,611.57, 15,919.04 and 3,493.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,611.57 : 15,919.04 = 3,493.59 : x
2. Step 2: Convert to fraction form
   10,611.57/15,919.04 = 3,493.59/x
3. Step 3: Cross multiply
   10,611.57x = 15,919.04 × 3,493.59
4. Step 4: Simplify right side
   10,611.57x = 55,614,598.95
5. Step 5: Solve for x
   x = 55,614,598.95/10,611.57
6. Step 6: Final answer
   x = 5,240.94