Finding the Fourth Proportional to 78,981.98, 108,993.84 and 43,171.26

Step by Step Solution

1. Step 1: Write the proportion equation
   78,981.98 : 108,993.84 = 43,171.26 : x
2. Step 2: Convert to fraction form
   78,981.98/108,993.84 = 43,171.26/x
3. Step 3: Cross multiply
   78,981.98x = 108,993.84 × 43,171.26
4. Step 4: Simplify right side
   78,981.98x = 4,705,401,405.04
5. Step 5: Solve for x
   x = 4,705,401,405.04/78,981.98
6. Step 6: Final answer
   x = 59,575.64