Finding the Fourth Proportional to 5,419.52, 7,478.88 and 3,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.52 : 7,478.88 = 3,061.52 : x
2. Step 2: Convert to fraction form
   5,419.52/7,478.88 = 3,061.52/x
3. Step 3: Cross multiply
   5,419.52x = 7,478.88 × 3,061.52
4. Step 4: Simplify right side
   5,419.52x = 22,896,740.70
5. Step 5: Solve for x
   x = 22,896,740.70/5,419.52
6. Step 6: Final answer
   x = 4,224.87