Finding the Fourth Proportional to 71,575.92, 107,321.94 and 47,910.42

Step by Step Solution

1. Step 1: Write the proportion equation
   71,575.92 : 107,321.94 = 47,910.42 : x
2. Step 2: Convert to fraction form
   71,575.92/107,321.94 = 47,910.42/x
3. Step 3: Cross multiply
   71,575.92x = 107,321.94 × 47,910.42
4. Step 4: Simplify right side
   71,575.92x = 5,141,839,220.61
5. Step 5: Solve for x
   x = 5,141,839,220.61/71,575.92
6. Step 6: Final answer
   x = 71,837.56