Finding the Fourth Proportional to 17,978.02, 26,949.61 and 6,876.16

Step by Step Solution

1. Step 1: Write the proportion equation
   17,978.02 : 26,949.61 = 6,876.16 : x
2. Step 2: Convert to fraction form
   17,978.02/26,949.61 = 6,876.16/x
3. Step 3: Cross multiply
   17,978.02x = 26,949.61 × 6,876.16
4. Step 4: Simplify right side
   17,978.02x = 185,309,830.30
5. Step 5: Solve for x
   x = 185,309,830.30/17,978.02
6. Step 6: Final answer
   x = 10,307.58