Finding the Fourth Proportional to 79,314.33, 118,965.20 and 31,896

Step by Step Solution

1. Step 1: Write the proportion equation
   79,314.33 : 118,965.20 = 31,896 : x
2. Step 2: Convert to fraction form
   79,314.33/118,965.20 = 31,896/x
3. Step 3: Cross multiply
   79,314.33x = 118,965.20 × 31,896
4. Step 4: Simplify right side
   79,314.33x = 3,794,513,859.72
5. Step 5: Solve for x
   x = 3,794,513,859.72/79,314.33
6. Step 6: Final answer
   x = 47,841.46