Finding the Fourth Proportional to 52,494.86, 72,443.25 and 28,621.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,494.86 : 72,443.25 = 28,621.94 : x
2. Step 2: Convert to fraction form
   52,494.86/72,443.25 = 28,621.94/x
3. Step 3: Cross multiply
   52,494.86x = 72,443.25 × 28,621.94
4. Step 4: Simplify right side
   52,494.86x = 2,073,465,992.69
5. Step 5: Solve for x
   x = 2,073,465,992.69/52,494.86
6. Step 6: Final answer
   x = 39,498.46