Finding the Fourth Proportional to 52,787.28, 72,846.32 and 28,914.42

Step by Step Solution

1. Step 1: Write the proportion equation
   52,787.28 : 72,846.32 = 28,914.42 : x
2. Step 2: Convert to fraction form
   52,787.28/72,846.32 = 28,914.42/x
3. Step 3: Cross multiply
   52,787.28x = 72,846.32 × 28,914.42
4. Step 4: Simplify right side
   52,787.28x = 2,106,309,091.93
5. Step 5: Solve for x
   x = 2,106,309,091.93/52,787.28
6. Step 6: Final answer
   x = 39,901.83