Finding the Fourth Proportional to 54,142.42, 74,718.18 and 30,270.10

Step by Step Solution

1. Step 1: Write the proportion equation
   54,142.42 : 74,718.18 = 30,270.10 : x
2. Step 2: Convert to fraction form
   54,142.42/74,718.18 = 30,270.10/x
3. Step 3: Cross multiply
   54,142.42x = 74,718.18 × 30,270.10
4. Step 4: Simplify right side
   54,142.42x = 2,261,726,780.42
5. Step 5: Solve for x
   x = 2,261,726,780.42/54,142.42
6. Step 6: Final answer
   x = 41,773.66