Finding the Fourth Proportional to 17,620.70, 24,317.69 and 11,641.89

Step by Step Solution

1. Step 1: Write the proportion equation
   17,620.70 : 24,317.69 = 11,641.89 : x
2. Step 2: Convert to fraction form
   17,620.70/24,317.69 = 11,641.89/x
3. Step 3: Cross multiply
   17,620.70x = 24,317.69 × 11,641.89
4. Step 4: Simplify right side
   17,620.70x = 283,103,813.82
5. Step 5: Solve for x
   x = 283,103,813.82/17,620.70
6. Step 6: Final answer
   x = 16,066.55