Finding the Fourth Proportional to 78,974.62, 108,984.78 and 43,164.88

Step by Step Solution

1. Step 1: Write the proportion equation
   78,974.62 : 108,984.78 = 43,164.88 : x
2. Step 2: Convert to fraction form
   78,974.62/108,984.78 = 43,164.88/x
3. Step 3: Cross multiply
   78,974.62x = 108,984.78 × 43,164.88
4. Step 4: Simplify right side
   78,974.62x = 4,704,314,950.53
5. Step 5: Solve for x
   x = 4,704,314,950.53/78,974.62
6. Step 6: Final answer
   x = 59,567.43