Finding the Fourth Proportional to 17,445.42, 24,073.89 and 9,891.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,445.42 : 24,073.89 = 9,891.30 : x
2. Step 2: Convert to fraction form
   17,445.42/24,073.89 = 9,891.30/x
3. Step 3: Cross multiply
   17,445.42x = 24,073.89 × 9,891.30
4. Step 4: Simplify right side
   17,445.42x = 238,122,068.16
5. Step 5: Solve for x
   x = 238,122,068.16/17,445.42
6. Step 6: Final answer
   x = 13,649.55