Finding the Fourth Proportional to 78,404.27, 117,839.69 and 36,880.43

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404.27 : 117,839.69 = 36,880.43 : x
2. Step 2: Convert to fraction form
   78,404.27/117,839.69 = 36,880.43/x
3. Step 3: Cross multiply
   78,404.27x = 117,839.69 × 36,880.43
4. Step 4: Simplify right side
   78,404.27x = 4,345,978,438.27
5. Step 5: Solve for x
   x = 4,345,978,438.27/78,404.27
6. Step 6: Final answer
   x = 55,430.38