Finding the Fourth Proportional to 284,081.02, 426,042.69 and 78,868.54

Step by Step Solution

1. Step 1: Write the proportion equation
   284,081.02 : 426,042.69 = 78,868.54 : x
2. Step 2: Convert to fraction form
   284,081.02/426,042.69 = 78,868.54/x
3. Step 3: Cross multiply
   284,081.02x = 426,042.69 × 78,868.54
4. Step 4: Simplify right side
   284,081.02x = 33,601,362,778.28
5. Step 5: Solve for x
   x = 33,601,362,778.28/284,081.02
6. Step 6: Final answer
   x = 118,280.91