Finding the Fourth Proportional to 142,443.52, 213,586.41 and 58,262.80

Step by Step Solution

1. Step 1: Write the proportion equation
   142,443.52 : 213,586.41 = 58,262.80 : x
2. Step 2: Convert to fraction form
   142,443.52/213,586.41 = 58,262.80/x
3. Step 3: Cross multiply
   142,443.52x = 213,586.41 × 58,262.80
4. Step 4: Simplify right side
   142,443.52x = 12,444,142,114.06
5. Step 5: Solve for x
   x = 12,444,142,114.06/142,443.52
6. Step 6: Final answer
   x = 87,361.94