Finding the Fourth Proportional to 17,631.34, 24,309.11 and 12,907.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,631.34 : 24,309.11 = 12,907.42 : x
2. Step 2: Convert to fraction form
   17,631.34/24,309.11 = 12,907.42/x
3. Step 3: Cross multiply
   17,631.34x = 24,309.11 × 12,907.42
4. Step 4: Simplify right side
   17,631.34x = 313,767,892.60
5. Step 5: Solve for x
   x = 313,767,892.60/17,631.34
6. Step 6: Final answer
   x = 17,796.03