Finding the Fourth Proportional to 45,067.50, 67,602.17 and 13,902.75

Step by Step Solution

1. Step 1: Write the proportion equation
   45,067.50 : 67,602.17 = 13,902.75 : x
2. Step 2: Convert to fraction form
   45,067.50/67,602.17 = 13,902.75/x
3. Step 3: Cross multiply
   45,067.50x = 67,602.17 × 13,902.75
4. Step 4: Simplify right side
   45,067.50x = 939,856,103.72
5. Step 5: Solve for x
   x = 939,856,103.72/45,067.50
6. Step 6: Final answer
   x = 20,854.41