Finding the Fourth Proportional to 16,666.29, 24,987.06 and 10,090.89

Step by Step Solution

1. Step 1: Write the proportion equation
   16,666.29 : 24,987.06 = 10,090.89 : x
2. Step 2: Convert to fraction form
   16,666.29/24,987.06 = 10,090.89/x
3. Step 3: Cross multiply
   16,666.29x = 24,987.06 × 10,090.89
4. Step 4: Simplify right side
   16,666.29x = 252,141,673.88
5. Step 5: Solve for x
   x = 252,141,673.88/16,666.29
6. Step 6: Final answer
   x = 15,128.84