Finding the Fourth Proportional to 50,166, 69,204.48 and 42,205.20

Step by Step Solution

1. Step 1: Write the proportion equation
   50,166 : 69,204.48 = 42,205.20 : x
2. Step 2: Convert to fraction form
   50,166/69,204.48 = 42,205.20/x
3. Step 3: Cross multiply
   50,166x = 69,204.48 × 42,205.20
4. Step 4: Simplify right side
   50,166x = 2,920,788,919.30
5. Step 5: Solve for x
   x = 2,920,788,919.30/50,166
6. Step 6: Final answer
   x = 58,222.48