Finding the Fourth Proportional to 78,826.99, 108,783.56 and 43,019.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,826.99 : 108,783.56 = 43,019.30 : x
2. Step 2: Convert to fraction form
   78,826.99/108,783.56 = 43,019.30/x
3. Step 3: Cross multiply
   78,826.99x = 108,783.56 × 43,019.30
4. Step 4: Simplify right side
   78,826.99x = 4,679,792,602.71
5. Step 5: Solve for x
   x = 4,679,792,602.71/78,826.99
6. Step 6: Final answer
   x = 59,367.90