Finding the Fourth Proportional to 50,572.72, 69,767.76 and 30,417.76

Step by Step Solution

1. Step 1: Write the proportion equation
   50,572.72 : 69,767.76 = 30,417.76 : x
2. Step 2: Convert to fraction form
   50,572.72/69,767.76 = 30,417.76/x
3. Step 3: Cross multiply
   50,572.72x = 69,767.76 × 30,417.76
4. Step 4: Simplify right side
   50,572.72x = 2,122,178,979.42
5. Step 5: Solve for x
   x = 2,122,178,979.42/50,572.72
6. Step 6: Final answer
   x = 41,962.92