Finding the Fourth Proportional to 78,404.02, 117,839.31 and 36,880.18

Step by Step Solution

1. Step 1: Write the proportion equation
   78,404.02 : 117,839.31 = 36,880.18 : x
2. Step 2: Convert to fraction form
   78,404.02/117,839.31 = 36,880.18/x
3. Step 3: Cross multiply
   78,404.02x = 117,839.31 × 36,880.18
4. Step 4: Simplify right side
   78,404.02x = 4,345,934,963.88
5. Step 5: Solve for x
   x = 4,345,934,963.88/78,404.02
6. Step 6: Final answer
   x = 55,430.00