Finding the Fourth Proportional to 142,066.58, 213,100.16 and 57,767.27

Step by Step Solution

1. Step 1: Write the proportion equation
   142,066.58 : 213,100.16 = 57,767.27 : x
2. Step 2: Convert to fraction form
   142,066.58/213,100.16 = 57,767.27/x
3. Step 3: Cross multiply
   142,066.58x = 213,100.16 × 57,767.27
4. Step 4: Simplify right side
   142,066.58x = 12,310,213,125.43
5. Step 5: Solve for x
   x = 12,310,213,125.43/142,066.58
6. Step 6: Final answer
   x = 86,651.02