Finding the Fourth Proportional to 17,621.98, 24,304.16 and 15,492.98

Step by Step Solution

1. Step 1: Write the proportion equation
   17,621.98 : 24,304.16 = 15,492.98 : x
2. Step 2: Convert to fraction form
   17,621.98/24,304.16 = 15,492.98/x
3. Step 3: Cross multiply
   17,621.98x = 24,304.16 × 15,492.98
4. Step 4: Simplify right side
   17,621.98x = 376,543,964.29
5. Step 5: Solve for x
   x = 376,543,964.29/17,621.98
6. Step 6: Final answer
   x = 21,367.86