Finding the Fourth Proportional to 50,390.66, 69,503.38 and 42,784.54

Step by Step Solution

1. Step 1: Write the proportion equation
   50,390.66 : 69,503.38 = 42,784.54 : x
2. Step 2: Convert to fraction form
   50,390.66/69,503.38 = 42,784.54/x
3. Step 3: Cross multiply
   50,390.66x = 69,503.38 × 42,784.54
4. Step 4: Simplify right side
   50,390.66x = 2,973,669,861.03
5. Step 5: Solve for x
   x = 2,973,669,861.03/50,390.66
6. Step 6: Final answer
   x = 59,012.32