Finding the Fourth Proportional to 42,022.16, 57,972.20 and 30,081.14

Step by Step Solution

1. Step 1: Write the proportion equation
   42,022.16 : 57,972.20 = 30,081.14 : x
2. Step 2: Convert to fraction form
   42,022.16/57,972.20 = 30,081.14/x
3. Step 3: Cross multiply
   42,022.16x = 57,972.20 × 30,081.14
4. Step 4: Simplify right side
   42,022.16x = 1,743,869,864.31
5. Step 5: Solve for x
   x = 1,743,869,864.31/42,022.16
6. Step 6: Final answer
   x = 41,498.82