Finding the Fourth Proportional to 52,833.82, 72,912.54 and 28,960.48

Step by Step Solution

1. Step 1: Write the proportion equation
   52,833.82 : 72,912.54 = 28,960.48 : x
2. Step 2: Convert to fraction form
   52,833.82/72,912.54 = 28,960.48/x
3. Step 3: Cross multiply
   52,833.82x = 72,912.54 × 28,960.48
4. Step 4: Simplify right side
   52,833.82x = 2,111,582,156.42
5. Step 5: Solve for x
   x = 2,111,582,156.42/52,833.82
6. Step 6: Final answer
   x = 39,966.49