Finding the Fourth Proportional to 17,805.98, 26,684.34 and 15,159.71

Step by Step Solution

1. Step 1: Write the proportion equation
   17,805.98 : 26,684.34 = 15,159.71 : x
2. Step 2: Convert to fraction form
   17,805.98/26,684.34 = 15,159.71/x
3. Step 3: Cross multiply
   17,805.98x = 26,684.34 × 15,159.71
4. Step 4: Simplify right side
   17,805.98x = 404,526,722.52
5. Step 5: Solve for x
   x = 404,526,722.52/17,805.98
6. Step 6: Final answer
   x = 22,718.59