Finding the Fourth Proportional to 17,458.89, 26,189.63 and 5,449.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,458.89 : 26,189.63 = 5,449.53 : x
2. Step 2: Convert to fraction form
   17,458.89/26,189.63 = 5,449.53/x
3. Step 3: Cross multiply
   17,458.89x = 26,189.63 × 5,449.53
4. Step 4: Simplify right side
   17,458.89x = 142,721,118.46
5. Step 5: Solve for x
   x = 142,721,118.46/17,458.89
6. Step 6: Final answer
   x = 8,174.70