Finding the Fourth Proportional to 50,540.76, 69,752.70 and 42,028.25

Step by Step Solution

1. Step 1: Write the proportion equation
   50,540.76 : 69,752.70 = 42,028.25 : x
2. Step 2: Convert to fraction form
   50,540.76/69,752.70 = 42,028.25/x
3. Step 3: Cross multiply
   50,540.76x = 69,752.70 × 42,028.25
4. Step 4: Simplify right side
   50,540.76x = 2,931,583,565.01
5. Step 5: Solve for x
   x = 2,931,583,565.01/50,540.76
6. Step 6: Final answer
   x = 58,004.34