Finding the Fourth Proportional to 142,061.52, 213,036.62 and 53,266.62

Step by Step Solution

1. Step 1: Write the proportion equation
   142,061.52 : 213,036.62 = 53,266.62 : x
2. Step 2: Convert to fraction form
   142,061.52/213,036.62 = 53,266.62/x
3. Step 3: Cross multiply
   142,061.52x = 213,036.62 × 53,266.62
4. Step 4: Simplify right side
   142,061.52x = 11,347,740,417.29
5. Step 5: Solve for x
   x = 11,347,740,417.29/142,061.52
6. Step 6: Final answer
   x = 79,879.06