Finding the Fourth Proportional to 12,402.02, 17,134.01 and 12,308.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,402.02 : 17,134.01 = 12,308.60 : x
2. Step 2: Convert to fraction form
   12,402.02/17,134.01 = 12,308.60/x
3. Step 3: Cross multiply
   12,402.02x = 17,134.01 × 12,308.60
4. Step 4: Simplify right side
   12,402.02x = 210,895,757.45
5. Step 5: Solve for x
   x = 210,895,757.45/12,402.02
6. Step 6: Final answer
   x = 17,004.95