Finding the Fourth Proportional to 17,666.02, 26,488.23 and 8,308.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,666.02 : 26,488.23 = 8,308.09 : x
2. Step 2: Convert to fraction form
   17,666.02/26,488.23 = 8,308.09/x
3. Step 3: Cross multiply
   17,666.02x = 26,488.23 × 8,308.09
4. Step 4: Simplify right side
   17,666.02x = 220,066,598.78
5. Step 5: Solve for x
   x = 220,066,598.78/17,666.02
6. Step 6: Final answer
   x = 12,457.06