Finding the Fourth Proportional to 78,995.79, 109,014.15 and 43,185.78

Step by Step Solution

1. Step 1: Write the proportion equation
   78,995.79 : 109,014.15 = 43,185.78 : x
2. Step 2: Convert to fraction form
   78,995.79/109,014.15 = 43,185.78/x
3. Step 3: Cross multiply
   78,995.79x = 109,014.15 × 43,185.78
4. Step 4: Simplify right side
   78,995.79x = 4,707,861,098.79
5. Step 5: Solve for x
   x = 4,707,861,098.79/78,995.79
6. Step 6: Final answer
   x = 59,596.35