Finding the Fourth Proportional to 142,411.94, 213,450.19 and 58,119.50

Step by Step Solution

1. Step 1: Write the proportion equation
   142,411.94 : 213,450.19 = 58,119.50 : x
2. Step 2: Convert to fraction form
   142,411.94/213,450.19 = 58,119.50/x
3. Step 3: Cross multiply
   142,411.94x = 213,450.19 × 58,119.50
4. Step 4: Simplify right side
   142,411.94x = 12,405,618,317.71
5. Step 5: Solve for x
   x = 12,405,618,317.71/142,411.94
6. Step 6: Final answer
   x = 87,110.80