Finding the Fourth Proportional to 31,052.50, 42,863.25 and 18,476.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,052.50 : 42,863.25 = 18,476.98 : x
2. Step 2: Convert to fraction form
   31,052.50/42,863.25 = 18,476.98/x
3. Step 3: Cross multiply
   31,052.50x = 42,863.25 × 18,476.98
4. Step 4: Simplify right side
   31,052.50x = 791,983,412.99
5. Step 5: Solve for x
   x = 791,983,412.99/31,052.50
6. Step 6: Final answer
   x = 25,504.66