Finding the Fourth Proportional to 5,322.56, 7,978.68 and 2,548.52

Step by Step Solution

1. Step 1: Write the proportion equation
   5,322.56 : 7,978.68 = 2,548.52 : x
2. Step 2: Convert to fraction form
   5,322.56/7,978.68 = 2,548.52/x
3. Step 3: Cross multiply
   5,322.56x = 7,978.68 × 2,548.52
4. Step 4: Simplify right side
   5,322.56x = 20,333,825.55
5. Step 5: Solve for x
   x = 20,333,825.55/5,322.56
6. Step 6: Final answer
   x = 3,820.31