Finding the Fourth Proportional to 17,978.05, 26,968.14 and 5,498.94

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.05 : 26,968.14 = 5,498.94 : x
2. Step 2: Convert to fraction form
   17,978.05/26,968.14 = 5,498.94/x
3. Step 3: Cross multiply
   17,978.05x = 26,968.14 × 5,498.94
4. Step 4: Simplify right side
   17,978.05x = 148,296,133.21
5. Step 5: Solve for x
   x = 148,296,133.21/17,978.05
6. Step 6: Final answer
   x = 8,248.73