Finding the Fourth Proportional to 52,222.76, 72,067.33 and 28,349.45

Step by Step Solution

1. Step 1: Write the proportion equation
   52,222.76 : 72,067.33 = 28,349.45 : x
2. Step 2: Convert to fraction form
   52,222.76/72,067.33 = 28,349.45/x
3. Step 3: Cross multiply
   52,222.76x = 72,067.33 × 28,349.45
4. Step 4: Simplify right side
   52,222.76x = 2,043,069,168.47
5. Step 5: Solve for x
   x = 2,043,069,168.47/52,222.76
6. Step 6: Final answer
   x = 39,122.20