Finding the Fourth Proportional to 5,200.56, 7,803.84 and 2,603.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,200.56 : 7,803.84 = 2,603.52 : x
2. Step 2: Convert to fraction form
   5,200.56/7,803.84 = 2,603.52/x
3. Step 3: Cross multiply
   5,200.56x = 7,803.84 × 2,603.52
4. Step 4: Simplify right side
   5,200.56x = 20,317,453.52
5. Step 5: Solve for x
   x = 20,317,453.52/5,200.56
6. Step 6: Final answer
   x = 3,906.78