Finding the Fourth Proportional to 31,306.18, 43,200.57 and 17,158.02

Step by Step Solution

1. Step 1: Write the proportion equation
   31,306.18 : 43,200.57 = 17,158.02 : x
2. Step 2: Convert to fraction form
   31,306.18/43,200.57 = 17,158.02/x
3. Step 3: Cross multiply
   31,306.18x = 43,200.57 × 17,158.02
4. Step 4: Simplify right side
   31,306.18x = 741,236,244.07
5. Step 5: Solve for x
   x = 741,236,244.07/31,306.18
6. Step 6: Final answer
   x = 23,676.99