Finding the Fourth Proportional to 31,068, 42,877.89 and 18,492.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,068 : 42,877.89 = 18,492.75 : x
2. Step 2: Convert to fraction form
   31,068/42,877.89 = 18,492.75/x
3. Step 3: Cross multiply
   31,068x = 42,877.89 × 18,492.75
4. Step 4: Simplify right side
   31,068x = 792,930,100.30
5. Step 5: Solve for x
   x = 792,930,100.30/31,068
6. Step 6: Final answer
   x = 25,522.41