Finding the Fourth Proportional to 17,929.41, 26,894.69 and 5,449.55

Step by Step Solution

1. Step 1: Write the proportion equation
   17,929.41 : 26,894.69 = 5,449.55 : x
2. Step 2: Convert to fraction form
   17,929.41/26,894.69 = 5,449.55/x
3. Step 3: Cross multiply
   17,929.41x = 26,894.69 × 5,449.55
4. Step 4: Simplify right side
   17,929.41x = 146,563,957.89
5. Step 5: Solve for x
   x = 146,563,957.89/17,929.41
6. Step 6: Final answer
   x = 8,174.50