Finding the Fourth Proportional to 171,019.52, 256,562.88 and 52,670.72

Step by Step Solution

1. Step 1: Write the proportion equation
   171,019.52 : 256,562.88 = 52,670.72 : x
2. Step 2: Convert to fraction form
   171,019.52/256,562.88 = 52,670.72/x
3. Step 3: Cross multiply
   171,019.52x = 256,562.88 × 52,670.72
4. Step 4: Simplify right side
   171,019.52x = 13,513,351,614.87
5. Step 5: Solve for x
   x = 13,513,351,614.87/171,019.52
6. Step 6: Final answer
   x = 79,016.43