Finding the Fourth Proportional to 142,353.06, 213,526.89 and 42,513.54

Step by Step Solution

1. Step 1: Write the proportion equation
   142,353.06 : 213,526.89 = 42,513.54 : x
2. Step 2: Convert to fraction form
   142,353.06/213,526.89 = 42,513.54/x
3. Step 3: Cross multiply
   142,353.06x = 213,526.89 × 42,513.54
4. Step 4: Simplify right side
   142,353.06x = 9,077,783,979.09
5. Step 5: Solve for x
   x = 9,077,783,979.09/142,353.06
6. Step 6: Final answer
   x = 63,769.50