Finding the Fourth Proportional to 49,309.96, 68,020.14 and 30,433.72

Step by Step Solution

1. Step 1: Write the proportion equation
   49,309.96 : 68,020.14 = 30,433.72 : x
2. Step 2: Convert to fraction form
   49,309.96/68,020.14 = 30,433.72/x
3. Step 3: Cross multiply
   49,309.96x = 68,020.14 × 30,433.72
4. Step 4: Simplify right side
   49,309.96x = 2,070,105,895.12
5. Step 5: Solve for x
   x = 2,070,105,895.12/49,309.96
6. Step 6: Final answer
   x = 41,981.50