Finding the Fourth Proportional to 50,693.64, 69,985.17 and 30,555.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,693.64 : 69,985.17 = 30,555.42 : x
2. Step 2: Convert to fraction form
   50,693.64/69,985.17 = 30,555.42/x
3. Step 3: Cross multiply
   50,693.64x = 69,985.17 × 30,555.42
4. Step 4: Simplify right side
   50,693.64x = 2,138,426,263.12
5. Step 5: Solve for x
   x = 2,138,426,263.12/50,693.64
6. Step 6: Final answer
   x = 42,183.32