Finding the Fourth Proportional to 52,336.72, 72,225.20 and 28,463.94

Step by Step Solution

1. Step 1: Write the proportion equation
   52,336.72 : 72,225.20 = 28,463.94 : x
2. Step 2: Convert to fraction form
   52,336.72/72,225.20 = 28,463.94/x
3. Step 3: Cross multiply
   52,336.72x = 72,225.20 × 28,463.94
4. Step 4: Simplify right side
   52,336.72x = 2,055,813,759.29
5. Step 5: Solve for x
   x = 2,055,813,759.29/52,336.72
6. Step 6: Final answer
   x = 39,280.52