Finding the Fourth Proportional to 31,316.08, 43,216.18 and 17,168.62

Step by Step Solution

1. Step 1: Write the proportion equation
   31,316.08 : 43,216.18 = 17,168.62 : x
2. Step 2: Convert to fraction form
   31,316.08/43,216.18 = 17,168.62/x
3. Step 3: Cross multiply
   31,316.08x = 43,216.18 × 17,168.62
4. Step 4: Simplify right side
   31,316.08x = 741,962,172.27
5. Step 5: Solve for x
   x = 741,962,172.27/31,316.08
6. Step 6: Final answer
   x = 23,692.69