Finding the Fourth Proportional to 52,787.25, 72,846.72 and 28,914.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,787.25 : 72,846.72 = 28,914.12 : x
2. Step 2: Convert to fraction form
   52,787.25/72,846.72 = 28,914.12/x
3. Step 3: Cross multiply
   52,787.25x = 72,846.72 × 28,914.12
4. Step 4: Simplify right side
   52,787.25x = 2,106,298,803.69
5. Step 5: Solve for x
   x = 2,106,298,803.69/52,787.25
6. Step 6: Final answer
   x = 39,901.66