Finding the Fourth Proportional to 78,954.37, 109,072.28 and 68,325.55

Step by Step Solution

1. Step 1: Write the proportion equation
   78,954.37 : 109,072.28 = 68,325.55 : x
2. Step 2: Convert to fraction form
   78,954.37/109,072.28 = 68,325.55/x
3. Step 3: Cross multiply
   78,954.37x = 109,072.28 × 68,325.55
4. Step 4: Simplify right side
   78,954.37x = 7,452,423,418.89
5. Step 5: Solve for x
   x = 7,452,423,418.89/78,954.37
6. Step 6: Final answer
   x = 94,389.00