Finding the Fourth Proportional to 142,089.72, 213,174.56 and 62,134.71

Step by Step Solution

1. Step 1: Write the proportion equation
   142,089.72 : 213,174.56 = 62,134.71 : x
2. Step 2: Convert to fraction form
   142,089.72/213,174.56 = 62,134.71/x
3. Step 3: Cross multiply
   142,089.72x = 213,174.56 × 62,134.71
4. Step 4: Simplify right side
   142,089.72x = 13,245,538,945.93
5. Step 5: Solve for x
   x = 13,245,538,945.93/142,089.72
6. Step 6: Final answer
   x = 93,219.54