Finding the Fourth Proportional to 142,037.89, 213,057.14 and 57,738.56

Step by Step Solution

1. Step 1: Write the proportion equation
   142,037.89 : 213,057.14 = 57,738.56 : x
2. Step 2: Convert to fraction form
   142,037.89/213,057.14 = 57,738.56/x
3. Step 3: Cross multiply
   142,037.89x = 213,057.14 × 57,738.56
4. Step 4: Simplify right side
   142,037.89x = 12,301,611,107.34
5. Step 5: Solve for x
   x = 12,301,611,107.34/142,037.89
6. Step 6: Final answer
   x = 86,607.96