Finding the Fourth Proportional to 50,402.16, 69,548.49 and 30,255.30

Step by Step Solution

1. Step 1: Write the proportion equation
   50,402.16 : 69,548.49 = 30,255.30 : x
2. Step 2: Convert to fraction form
   50,402.16/69,548.49 = 30,255.30/x
3. Step 3: Cross multiply
   50,402.16x = 69,548.49 × 30,255.30
4. Step 4: Simplify right side
   50,402.16x = 2,104,210,429.50
5. Step 5: Solve for x
   x = 2,104,210,429.50/50,402.16
6. Step 6: Final answer
   x = 41,748.42