Finding the Fourth Proportional to 78,900.48, 108,878.45 and 43,083.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,900.48 : 108,878.45 = 43,083.50 : x
2. Step 2: Convert to fraction form
   78,900.48/108,878.45 = 43,083.50/x
3. Step 3: Cross multiply
   78,900.48x = 108,878.45 × 43,083.50
4. Step 4: Simplify right side
   78,900.48x = 4,690,863,940.77
5. Step 5: Solve for x
   x = 4,690,863,940.77/78,900.48
6. Step 6: Final answer
   x = 59,452.92