Finding the Fourth Proportional to 31,455.25, 43,407.01 and 18,016.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,455.25 : 43,407.01 = 18,016.94 : x
2. Step 2: Convert to fraction form
   31,455.25/43,407.01 = 18,016.94/x
3. Step 3: Cross multiply
   31,455.25x = 43,407.01 × 18,016.94
4. Step 4: Simplify right side
   31,455.25x = 782,061,494.75
5. Step 5: Solve for x
   x = 782,061,494.75/31,455.25
6. Step 6: Final answer
   x = 24,862.67