Finding the Fourth Proportional to 78,936.59, 108,934.07 and 43,128.82

Step by Step Solution

1. Step 1: Write the proportion equation
   78,936.59 : 108,934.07 = 43,128.82 : x
2. Step 2: Convert to fraction form
   78,936.59/108,934.07 = 43,128.82/x
3. Step 3: Cross multiply
   78,936.59x = 108,934.07 × 43,128.82
4. Step 4: Simplify right side
   78,936.59x = 4,698,197,817.42
5. Step 5: Solve for x
   x = 4,698,197,817.42/78,936.59
6. Step 6: Final answer
   x = 59,518.63