Finding the Fourth Proportional to 171,078.42, 256,601.13 and 52,717.98

Step by Step Solution

1. Step 1: Write the proportion equation
   171,078.42 : 256,601.13 = 52,717.98 : x
2. Step 2: Convert to fraction form
   171,078.42/256,601.13 = 52,717.98/x
3. Step 3: Cross multiply
   171,078.42x = 256,601.13 × 52,717.98
4. Step 4: Simplify right side
   171,078.42x = 13,527,493,239.32
5. Step 5: Solve for x
   x = 13,527,493,239.32/171,078.42
6. Step 6: Final answer
   x = 79,071.89