Finding the Fourth Proportional to 52,338.78, 72,226.72 and 28,464.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,338.78 : 72,226.72 = 28,464.91 : x
2. Step 2: Convert to fraction form
   52,338.78/72,226.72 = 28,464.91/x
3. Step 3: Cross multiply
   52,338.78x = 72,226.72 × 28,464.91
4. Step 4: Simplify right side
   52,338.78x = 2,055,926,939.41
5. Step 5: Solve for x
   x = 2,055,926,939.41/52,338.78
6. Step 6: Final answer
   x = 39,281.14