Finding the Fourth Proportional to 52,379.48, 72,283.55 and 28,506.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,379.48 : 72,283.55 = 28,506.15 : x
2. Step 2: Convert to fraction form
   52,379.48/72,283.55 = 28,506.15/x
3. Step 3: Cross multiply
   52,379.48x = 72,283.55 × 28,506.15
4. Step 4: Simplify right side
   52,379.48x = 2,060,525,718.83
5. Step 5: Solve for x
   x = 2,060,525,718.83/52,379.48
6. Step 6: Final answer
   x = 39,338.41