Finding the Fourth Proportional to 48,978.24, 67,590.24 and 28,836

Step by Step Solution

1. Step 1: Write the proportion equation
   48,978.24 : 67,590.24 = 28,836 : x
2. Step 2: Convert to fraction form
   48,978.24/67,590.24 = 28,836/x
3. Step 3: Cross multiply
   48,978.24x = 67,590.24 × 28,836
4. Step 4: Simplify right side
   48,978.24x = 1,949,032,160.64
5. Step 5: Solve for x
   x = 1,949,032,160.64/48,978.24
6. Step 6: Final answer
   x = 39,793.84