Finding the Fourth Proportional to 3,789.52, 5,227.52 and 2,611.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,789.52 : 5,227.52 = 2,611.20 : x
2. Step 2: Convert to fraction form
   3,789.52/5,227.52 = 2,611.20/x
3. Step 3: Cross multiply
   3,789.52x = 5,227.52 × 2,611.20
4. Step 4: Simplify right side
   3,789.52x = 13,650,100.22
5. Step 5: Solve for x
   x = 13,650,100.22/3,789.52
6. Step 6: Final answer
   x = 3,602.07