Finding the Fourth Proportional to 52,737.94, 72,778.12 and 28,864.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,737.94 : 72,778.12 = 28,864.54 : x
2. Step 2: Convert to fraction form
   52,737.94/72,778.12 = 28,864.54/x
3. Step 3: Cross multiply
   52,737.94x = 72,778.12 × 28,864.54
4. Step 4: Simplify right side
   52,737.94x = 2,100,706,955.86
5. Step 5: Solve for x
   x = 2,100,706,955.86/52,737.94
6. Step 6: Final answer
   x = 39,832.94