Finding the Fourth Proportional to 52,336.35, 72,222.71 and 28,464.03

Step by Step Solution

1. Step 1: Write the proportion equation
   52,336.35 : 72,222.71 = 28,464.03 : x
2. Step 2: Convert to fraction form
   52,336.35/72,222.71 = 28,464.03/x
3. Step 3: Cross multiply
   52,336.35x = 72,222.71 × 28,464.03
4. Step 4: Simplify right side
   52,336.35x = 2,055,749,241.80
5. Step 5: Solve for x
   x = 2,055,749,241.80/52,336.35
6. Step 6: Final answer
   x = 39,279.57