Finding the Fourth Proportional to 17,662.88, 26,477.04 and 8,426.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,662.88 : 26,477.04 = 8,426.72 : x
2. Step 2: Convert to fraction form
   17,662.88/26,477.04 = 8,426.72/x
3. Step 3: Cross multiply
   17,662.88x = 26,477.04 × 8,426.72
4. Step 4: Simplify right side
   17,662.88x = 223,114,602.51
5. Step 5: Solve for x
   x = 223,114,602.51/17,662.88
6. Step 6: Final answer
   x = 12,631.84