Finding the Fourth Proportional to 142,452.09, 213,599.25 and 58,271.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,452.09 : 213,599.25 = 58,271.37 : x
2. Step 2: Convert to fraction form
   142,452.09/213,599.25 = 58,271.37/x
3. Step 3: Cross multiply
   142,452.09x = 213,599.25 × 58,271.37
4. Step 4: Simplify right side
   142,452.09x = 12,446,720,928.47
5. Step 5: Solve for x
   x = 12,446,720,928.47/142,452.09
6. Step 6: Final answer
   x = 87,374.79