Finding the Fourth Proportional to 52,223.05, 72,067.89 and 28,349.74

Step by Step Solution

1. Step 1: Write the proportion equation
   52,223.05 : 72,067.89 = 28,349.74 : x
2. Step 2: Convert to fraction form
   52,223.05/72,067.89 = 28,349.74/x
3. Step 3: Cross multiply
   52,223.05x = 72,067.89 × 28,349.74
4. Step 4: Simplify right side
   52,223.05x = 2,043,105,943.85
5. Step 5: Solve for x
   x = 2,043,105,943.85/52,223.05
6. Step 6: Final answer
   x = 39,122.69