Finding the Fourth Proportional to 50,430.85, 69,444.33 and 49,311.93

Step by Step Solution

1. Step 1: Write the proportion equation
   50,430.85 : 69,444.33 = 49,311.93 : x
2. Step 2: Convert to fraction form
   50,430.85/69,444.33 = 49,311.93/x
3. Step 3: Cross multiply
   50,430.85x = 69,444.33 × 49,311.93
4. Step 4: Simplify right side
   50,430.85x = 3,424,433,939.86
5. Step 5: Solve for x
   x = 3,424,433,939.86/50,430.85
6. Step 6: Final answer
   x = 67,903.56