Finding the Fourth Proportional to 142,160.77, 213,314.96 and 57,982.69

Step by Step Solution

1. Step 1: Write the proportion equation
   142,160.77 : 213,314.96 = 57,982.69 : x
2. Step 2: Convert to fraction form
   142,160.77/213,314.96 = 57,982.69/x
3. Step 3: Cross multiply
   142,160.77x = 213,314.96 × 57,982.69
4. Step 4: Simplify right side
   142,160.77x = 12,368,575,198.04
5. Step 5: Solve for x
   x = 12,368,575,198.04/142,160.77
6. Step 6: Final answer
   x = 87,004.14