Finding the Fourth Proportional to 49,196.42, 67,901.16 and 31,287.98

Step by Step Solution

1. Step 1: Write the proportion equation
   49,196.42 : 67,901.16 = 31,287.98 : x
2. Step 2: Convert to fraction form
   49,196.42/67,901.16 = 31,287.98/x
3. Step 3: Cross multiply
   49,196.42x = 67,901.16 × 31,287.98
4. Step 4: Simplify right side
   49,196.42x = 2,124,490,136.06
5. Step 5: Solve for x
   x = 2,124,490,136.06/49,196.42
6. Step 6: Final answer
   x = 43,183.84