Finding the Fourth Proportional to 78,995.29, 109,013.46 and 43,185.28

Step by Step Solution

1. Step 1: Write the proportion equation
   78,995.29 : 109,013.46 = 43,185.28 : x
2. Step 2: Convert to fraction form
   78,995.29/109,013.46 = 43,185.28/x
3. Step 3: Cross multiply
   78,995.29x = 109,013.46 × 43,185.28
4. Step 4: Simplify right side
   78,995.29x = 4,707,776,793.87
5. Step 5: Solve for x
   x = 4,707,776,793.87/78,995.29
6. Step 6: Final answer
   x = 59,595.66