Finding the Fourth Proportional to 52,267.46, 72,129.15 and 28,394.15

Step by Step Solution

1. Step 1: Write the proportion equation
   52,267.46 : 72,129.15 = 28,394.15 : x
2. Step 2: Convert to fraction form
   52,267.46/72,129.15 = 28,394.15/x
3. Step 3: Cross multiply
   52,267.46x = 72,129.15 × 28,394.15
4. Step 4: Simplify right side
   52,267.46x = 2,048,045,543.83
5. Step 5: Solve for x
   x = 2,048,045,543.83/52,267.46
6. Step 6: Final answer
   x = 39,183.95