Finding the Fourth Proportional to 142,389.38, 213,626.95 and 42,552.83

Step by Step Solution

1. Step 1: Write the proportion equation
   142,389.38 : 213,626.95 = 42,552.83 : x
2. Step 2: Convert to fraction form
   142,389.38/213,626.95 = 42,552.83/x
3. Step 3: Cross multiply
   142,389.38x = 213,626.95 × 42,552.83
4. Step 4: Simplify right side
   142,389.38x = 9,090,431,286.77
5. Step 5: Solve for x
   x = 9,090,431,286.77/142,389.38
6. Step 6: Final answer
   x = 63,842.06