Finding the Fourth Proportional to 39,381.42, 59,006.52 and 28,271.46

Step by Step Solution

1. Step 1: Write the proportion equation
   39,381.42 : 59,006.52 = 28,271.46 : x
2. Step 2: Convert to fraction form
   39,381.42/59,006.52 = 28,271.46/x
3. Step 3: Cross multiply
   39,381.42x = 59,006.52 × 28,271.46
4. Step 4: Simplify right side
   39,381.42x = 1,668,200,469.92
5. Step 5: Solve for x
   x = 1,668,200,469.92/39,381.42
6. Step 6: Final answer
   x = 42,360.09