Finding the Fourth Proportional to 71,916.27, 107,910.86 and 48,493.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,916.27 : 107,910.86 = 48,493.50 : x
2. Step 2: Convert to fraction form
   71,916.27/107,910.86 = 48,493.50/x
3. Step 3: Cross multiply
   71,916.27x = 107,910.86 × 48,493.50
4. Step 4: Simplify right side
   71,916.27x = 5,232,975,046.94
5. Step 5: Solve for x
   x = 5,232,975,046.94/71,916.27
6. Step 6: Final answer
   x = 72,764.83