Finding the Fourth Proportional to 52,209.16, 72,048.71 and 28,335.83

Step by Step Solution

1. Step 1: Write the proportion equation
   52,209.16 : 72,048.71 = 28,335.83 : x
2. Step 2: Convert to fraction form
   52,209.16/72,048.71 = 28,335.83/x
3. Step 3: Cross multiply
   52,209.16x = 72,048.71 × 28,335.83
4. Step 4: Simplify right side
   52,209.16x = 2,041,560,020.36
5. Step 5: Solve for x
   x = 2,041,560,020.36/52,209.16
6. Step 6: Final answer
   x = 39,103.49