Finding the Fourth Proportional to 17,890.72, 24,689.10 and 9,824.53

Step by Step Solution

1. Step 1: Write the proportion equation
   17,890.72 : 24,689.10 = 9,824.53 : x
2. Step 2: Convert to fraction form
   17,890.72/24,689.10 = 9,824.53/x
3. Step 3: Cross multiply
   17,890.72x = 24,689.10 × 9,824.53
4. Step 4: Simplify right side
   17,890.72x = 242,558,803.62
5. Step 5: Solve for x
   x = 242,558,803.62/17,890.72
6. Step 6: Final answer
   x = 13,557.80