Finding the Fourth Proportional to 71,841.22, 107,711.82 and 31,838.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,841.22 : 107,711.82 = 31,838.50 : x
2. Step 2: Convert to fraction form
   71,841.22/107,711.82 = 31,838.50/x
3. Step 3: Cross multiply
   71,841.22x = 107,711.82 × 31,838.50
4. Step 4: Simplify right side
   71,841.22x = 3,429,382,781.07
5. Step 5: Solve for x
   x = 3,429,382,781.07/71,841.22
6. Step 6: Final answer
   x = 47,735.59