Finding the Fourth Proportional to 17,978.56, 26,964.48 and 5,495.52

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.56 : 26,964.48 = 5,495.52 : x
2. Step 2: Convert to fraction form
   17,978.56/26,964.48 = 5,495.52/x
3. Step 3: Cross multiply
   17,978.56x = 26,964.48 × 5,495.52
4. Step 4: Simplify right side
   17,978.56x = 148,183,839.13
5. Step 5: Solve for x
   x = 148,183,839.13/17,978.56
6. Step 6: Final answer
   x = 8,242.25