Finding the Fourth Proportional to 142,868.54, 214,304.42 and 54,097.94

Step by Step Solution

1. Step 1: Write the proportion equation
   142,868.54 : 214,304.42 = 54,097.94 : x
2. Step 2: Convert to fraction form
   142,868.54/214,304.42 = 54,097.94/x
3. Step 3: Cross multiply
   142,868.54x = 214,304.42 × 54,097.94
4. Step 4: Simplify right side
   142,868.54x = 11,593,427,654.89
5. Step 5: Solve for x
   x = 11,593,427,654.89/142,868.54
6. Step 6: Final answer
   x = 81,147.52