Finding the Fourth Proportional to 16,440.05, 24,666.29 and 9,870.82

Step by Step Solution

1. Step 1: Write the proportion equation
   16,440.05 : 24,666.29 = 9,870.82 : x
2. Step 2: Convert to fraction form
   16,440.05/24,666.29 = 9,870.82/x
3. Step 3: Cross multiply
   16,440.05x = 24,666.29 × 9,870.82
4. Step 4: Simplify right side
   16,440.05x = 243,476,434.65
5. Step 5: Solve for x
   x = 243,476,434.65/16,440.05
6. Step 6: Final answer
   x = 14,809.95