Finding the Fourth Proportional to 31,488.62, 43,458.27 and 18,059.59

Step by Step Solution

1. Step 1: Write the proportion equation
   31,488.62 : 43,458.27 = 18,059.59 : x
2. Step 2: Convert to fraction form
   31,488.62/43,458.27 = 18,059.59/x
3. Step 3: Cross multiply
   31,488.62x = 43,458.27 × 18,059.59
4. Step 4: Simplify right side
   31,488.62x = 784,838,321.02
5. Step 5: Solve for x
   x = 784,838,321.02/31,488.62
6. Step 6: Final answer
   x = 24,924.51