Finding the Fourth Proportional to 50,718.61, 69,988.62 and 30,582.01

Step by Step Solution

1. Step 1: Write the proportion equation
   50,718.61 : 69,988.62 = 30,582.01 : x
2. Step 2: Convert to fraction form
   50,718.61/69,988.62 = 30,582.01/x
3. Step 3: Cross multiply
   50,718.61x = 69,988.62 × 30,582.01
4. Step 4: Simplify right side
   50,718.61x = 2,140,392,676.73
5. Step 5: Solve for x
   x = 2,140,392,676.73/50,718.61
6. Step 6: Final answer
   x = 42,201.33