Finding the Fourth Proportional to 49,443.98, 74,136.06 and 19,422.28

Step by Step Solution

1. Step 1: Write the proportion equation
   49,443.98 : 74,136.06 = 19,422.28 : x
2. Step 2: Convert to fraction form
   49,443.98/74,136.06 = 19,422.28/x
3. Step 3: Cross multiply
   49,443.98x = 74,136.06 × 19,422.28
4. Step 4: Simplify right side
   49,443.98x = 1,439,891,315.42
5. Step 5: Solve for x
   x = 1,439,891,315.42/49,443.98
6. Step 6: Final answer
   x = 29,121.67