Finding the Fourth Proportional to 142,443.71, 213,586.69 and 58,262.99

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443.71 : 213,586.69 = 58,262.99 : x
2. Step 2: Convert to fraction form
   142,443.71/213,586.69 = 58,262.99/x
3. Step 3: Cross multiply
   142,443.71x = 213,586.69 × 58,262.99
4. Step 4: Simplify right side
   142,443.71x = 12,444,198,370.49
5. Step 5: Solve for x
   x = 12,444,198,370.49/142,443.71
6. Step 6: Final answer
   x = 87,362.22