Finding the Fourth Proportional to 31,474.62, 43,434.18 and 18,053.82

Step by Step Solution

1. Step 1: Write the proportion equation
   31,474.62 : 43,434.18 = 18,053.82 : x
2. Step 2: Convert to fraction form
   31,474.62/43,434.18 = 18,053.82/x
3. Step 3: Cross multiply
   31,474.62x = 43,434.18 × 18,053.82
4. Step 4: Simplify right side
   31,474.62x = 784,152,867.57
5. Step 5: Solve for x
   x = 784,152,867.57/31,474.62
6. Step 6: Final answer
   x = 24,913.82