Finding the Fourth Proportional to 52,269.50, 72,131.85 and 28,396.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,269.50 : 72,131.85 = 28,396.01 : x
2. Step 2: Convert to fraction form
   52,269.50/72,131.85 = 28,396.01/x
3. Step 3: Cross multiply
   52,269.50x = 72,131.85 × 28,396.01
4. Step 4: Simplify right side
   52,269.50x = 2,048,256,733.92
5. Step 5: Solve for x
   x = 2,048,256,733.92/52,269.50
6. Step 6: Final answer
   x = 39,186.46