Finding the Fourth Proportional to 51,960.54, 71,686.71 and 42,568.86

Step by Step Solution

1. Step 1: Write the proportion equation
   51,960.54 : 71,686.71 = 42,568.86 : x
2. Step 2: Convert to fraction form
   51,960.54/71,686.71 = 42,568.86/x
3. Step 3: Cross multiply
   51,960.54x = 71,686.71 × 42,568.86
4. Step 4: Simplify right side
   51,960.54x = 3,051,621,521.85
5. Step 5: Solve for x
   x = 3,051,621,521.85/51,960.54
6. Step 6: Final answer
   x = 58,729.60