Finding the Fourth Proportional to 52,756.46, 72,801.15 and 28,878.56

Step by Step Solution

1. Step 1: Write the proportion equation
   52,756.46 : 72,801.15 = 28,878.56 : x
2. Step 2: Convert to fraction form
   52,756.46/72,801.15 = 28,878.56/x
3. Step 3: Cross multiply
   52,756.46x = 72,801.15 × 28,878.56
4. Step 4: Simplify right side
   52,756.46x = 2,102,392,378.34
5. Step 5: Solve for x
   x = 2,102,392,378.34/52,756.46
6. Step 6: Final answer
   x = 39,850.90