Finding the Fourth Proportional to 49,605.59, 68,429.47 and 31,424.24

Step by Step Solution

1. Step 1: Write the proportion equation
   49,605.59 : 68,429.47 = 31,424.24 : x
2. Step 2: Convert to fraction form
   49,605.59/68,429.47 = 31,424.24/x
3. Step 3: Cross multiply
   49,605.59x = 68,429.47 × 31,424.24
4. Step 4: Simplify right side
   49,605.59x = 2,150,343,667.64
5. Step 5: Solve for x
   x = 2,150,343,667.64/49,605.59
6. Step 6: Final answer
   x = 43,348.82