Finding the Fourth Proportional to 171,078.54, 256,601.32 and 52,718.10

Step by Step Solution

1. Step 1: Write the proportion equation
   171,078.54 : 256,601.32 = 52,718.10 : x
2. Step 2: Convert to fraction form
   171,078.54/256,601.32 = 52,718.10/x
3. Step 3: Cross multiply
   171,078.54x = 256,601.32 × 52,718.10
4. Step 4: Simplify right side
   171,078.54x = 13,527,534,047.89
5. Step 5: Solve for x
   x = 13,527,534,047.89/171,078.54
6. Step 6: Final answer
   x = 79,072.07