Finding the Fourth Proportional to 31,592.42, 43,599.83 and 18,167.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,592.42 : 43,599.83 = 18,167.88 : x
2. Step 2: Convert to fraction form
   31,592.42/43,599.83 = 18,167.88/x
3. Step 3: Cross multiply
   31,592.42x = 43,599.83 × 18,167.88
4. Step 4: Simplify right side
   31,592.42x = 792,116,479.46
5. Step 5: Solve for x
   x = 792,116,479.46/31,592.42
6. Step 6: Final answer
   x = 25,072.99