Finding the Fourth Proportional to 142,816.41, 214,013.48 and 134,828.42

Step by Step Solution

1. Step 1: Write the proportion equation
   142,816.41 : 214,013.48 = 134,828.42 : x
2. Step 2: Convert to fraction form
   142,816.41/214,013.48 = 134,828.42/x
3. Step 3: Cross multiply
   142,816.41x = 214,013.48 × 134,828.42
4. Step 4: Simplify right side
   142,816.41x = 28,855,097,622.89
5. Step 5: Solve for x
   x = 28,855,097,622.89/142,816.41
6. Step 6: Final answer
   x = 202,043.29