Finding the Fourth Proportional to 142,337.25, 196,425.41 and 85,760.37

Step by Step Solution

1. Step 1: Write the proportion equation
   142,337.25 : 196,425.41 = 85,760.37 : x
2. Step 2: Convert to fraction form
   142,337.25/196,425.41 = 85,760.37/x
3. Step 3: Cross multiply
   142,337.25x = 196,425.41 × 85,760.37
4. Step 4: Simplify right side
   142,337.25x = 16,845,515,410.20
5. Step 5: Solve for x
   x = 16,845,515,410.20/142,337.25
6. Step 6: Final answer
   x = 118,349.31