Finding the Fourth Proportional to 52,411.94, 72,328.74 and 28,538.54

Step by Step Solution

1. Step 1: Write the proportion equation
   52,411.94 : 72,328.74 = 28,538.54 : x
2. Step 2: Convert to fraction form
   52,411.94/72,328.74 = 28,538.54/x
3. Step 3: Cross multiply
   52,411.94x = 72,328.74 × 28,538.54
4. Step 4: Simplify right side
   52,411.94x = 2,064,156,278.00
5. Step 5: Solve for x
   x = 2,064,156,278.00/52,411.94
6. Step 6: Final answer
   x = 39,383.33