Finding the Fourth Proportional to 17,978.26, 26,956.12 and 5,494.14

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.26 : 26,956.12 = 5,494.14 : x
2. Step 2: Convert to fraction form
   17,978.26/26,956.12 = 5,494.14/x
3. Step 3: Cross multiply
   17,978.26x = 26,956.12 × 5,494.14
4. Step 4: Simplify right side
   17,978.26x = 148,100,697.14
5. Step 5: Solve for x
   x = 148,100,697.14/17,978.26
6. Step 6: Final answer
   x = 8,237.77