Finding the Fourth Proportional to 50,122.54, 69,011.31 and 42,553.90

Step by Step Solution

1. Step 1: Write the proportion equation
   50,122.54 : 69,011.31 = 42,553.90 : x
2. Step 2: Convert to fraction form
   50,122.54/69,011.31 = 42,553.90/x
3. Step 3: Cross multiply
   50,122.54x = 69,011.31 × 42,553.90
4. Step 4: Simplify right side
   50,122.54x = 2,936,700,384.61
5. Step 5: Solve for x
   x = 2,936,700,384.61/50,122.54
6. Step 6: Final answer
   x = 58,590.41