Finding the Fourth Proportional to 50,632.86, 69,266.10 and 50,419.64

Step by Step Solution

1. Step 1: Write the proportion equation
   50,632.86 : 69,266.10 = 50,419.64 : x
2. Step 2: Convert to fraction form
   50,632.86/69,266.10 = 50,419.64/x
3. Step 3: Cross multiply
   50,632.86x = 69,266.10 × 50,419.64
4. Step 4: Simplify right side
   50,632.86x = 3,492,371,826.20
5. Step 5: Solve for x
   x = 3,492,371,826.20/50,632.86
6. Step 6: Final answer
   x = 68,974.41