Finding the Fourth Proportional to 99,019.28, 148,537.69 and 27,942.55

Step by Step Solution

1. Step 1: Write the proportion equation
   99,019.28 : 148,537.69 = 27,942.55 : x
2. Step 2: Convert to fraction form
   99,019.28/148,537.69 = 27,942.55/x
3. Step 3: Cross multiply
   99,019.28x = 148,537.69 × 27,942.55
4. Step 4: Simplify right side
   99,019.28x = 4,150,521,388.51
5. Step 5: Solve for x
   x = 4,150,521,388.51/99,019.28
6. Step 6: Final answer
   x = 41,916.29