Finding the Fourth Proportional to 78,866.34, 108,831.42 and 43,049.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,866.34 : 108,831.42 = 43,049.43 : x
2. Step 2: Convert to fraction form
   78,866.34/108,831.42 = 43,049.43/x
3. Step 3: Cross multiply
   78,866.34x = 108,831.42 × 43,049.43
4. Step 4: Simplify right side
   78,866.34x = 4,685,130,597.09
5. Step 5: Solve for x
   x = 4,685,130,597.09/78,866.34
6. Step 6: Final answer
   x = 59,405.96