Finding the Fourth Proportional to 78,831, 108,789.08 and 43,023.30

Step by Step Solution

1. Step 1: Write the proportion equation
   78,831 : 108,789.08 = 43,023.30 : x
2. Step 2: Convert to fraction form
   78,831/108,789.08 = 43,023.30/x
3. Step 3: Cross multiply
   78,831x = 108,789.08 × 43,023.30
4. Step 4: Simplify right side
   78,831x = 4,680,465,010.45
5. Step 5: Solve for x
   x = 4,680,465,010.45/78,831
6. Step 6: Final answer
   x = 59,373.41