Finding the Fourth Proportional to 52,285.98, 72,152.67 and 28,412.13

Step by Step Solution

1. Step 1: Write the proportion equation
   52,285.98 : 72,152.67 = 28,412.13 : x
2. Step 2: Convert to fraction form
   52,285.98/72,152.67 = 28,412.13/x
3. Step 3: Cross multiply
   52,285.98x = 72,152.67 × 28,412.13
4. Step 4: Simplify right side
   52,285.98x = 2,050,011,039.89
5. Step 5: Solve for x
   x = 2,050,011,039.89/52,285.98
6. Step 6: Final answer
   x = 39,207.66