Finding the Fourth Proportional to 31,281.53, 43,168.59 and 17,134.38

Step by Step Solution

1. Step 1: Write the proportion equation
   31,281.53 : 43,168.59 = 17,134.38 : x
2. Step 2: Convert to fraction form
   31,281.53/43,168.59 = 17,134.38/x
3. Step 3: Cross multiply
   31,281.53x = 43,168.59 × 17,134.38
4. Step 4: Simplify right side
   31,281.53x = 739,667,025.12
5. Step 5: Solve for x
   x = 739,667,025.12/31,281.53
6. Step 6: Final answer
   x = 23,645.49