Finding the Fourth Proportional to 49,521.89, 74,304.71 and 19,997.39

Step by Step Solution

1. Step 1: Write the proportion equation
   49,521.89 : 74,304.71 = 19,997.39 : x
2. Step 2: Convert to fraction form
   49,521.89/74,304.71 = 19,997.39/x
3. Step 3: Cross multiply
   49,521.89x = 74,304.71 × 19,997.39
4. Step 4: Simplify right side
   49,521.89x = 1,485,900,264.71
5. Step 5: Solve for x
   x = 1,485,900,264.71/49,521.89
6. Step 6: Final answer
   x = 30,004.92