Finding the Fourth Proportional to 50,158.86, 69,061.86 and 42,590.22

Step by Step Solution

1. Step 1: Write the proportion equation
   50,158.86 : 69,061.86 = 42,590.22 : x
2. Step 2: Convert to fraction form
   50,158.86/69,061.86 = 42,590.22/x
3. Step 3: Cross multiply
   50,158.86x = 69,061.86 × 42,590.22
4. Step 4: Simplify right side
   50,158.86x = 2,941,359,811.01
5. Step 5: Solve for x
   x = 2,941,359,811.01/50,158.86
6. Step 6: Final answer
   x = 58,640.88