Finding the Fourth Proportional to 78,943.30, 108,938.55 and 43,134.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,943.30 : 108,938.55 = 43,134.55 : x
2. Step 2: Convert to fraction form
   78,943.30/108,938.55 = 43,134.55/x
3. Step 3: Cross multiply
   78,943.30x = 108,938.55 × 43,134.55
4. Step 4: Simplify right side
   78,943.30x = 4,699,014,571.54
5. Step 5: Solve for x
   x = 4,699,014,571.54/78,943.30
6. Step 6: Final answer
   x = 59,523.92