Finding the Fourth Proportional to 78,941.99, 108,940.55 and 43,131.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,941.99 : 108,940.55 = 43,131.96 : x
2. Step 2: Convert to fraction form
   78,941.99/108,940.55 = 43,131.96/x
3. Step 3: Cross multiply
   78,941.99x = 108,940.55 × 43,131.96
4. Step 4: Simplify right side
   78,941.99x = 4,698,819,229.32
5. Step 5: Solve for x
   x = 4,698,819,229.32/78,941.99
6. Step 6: Final answer
   x = 59,522.43