Finding the Fourth Proportional to 71,819.34, 107,662.41 and 31,817.10

Step by Step Solution

1. Step 1: Write the proportion equation
   71,819.34 : 107,662.41 = 31,817.10 : x
2. Step 2: Convert to fraction form
   71,819.34/107,662.41 = 31,817.10/x
3. Step 3: Cross multiply
   71,819.34x = 107,662.41 × 31,817.10
4. Step 4: Simplify right side
   71,819.34x = 3,425,505,665.21
5. Step 5: Solve for x
   x = 3,425,505,665.21/71,819.34
6. Step 6: Final answer
   x = 47,696.15