Finding the Fourth Proportional to 262,158.56, 393,238.12 and 65,166.56

Step by Step Solution

1. Step 1: Write the proportion equation
   262,158.56 : 393,238.12 = 65,166.56 : x
2. Step 2: Convert to fraction form
   262,158.56/393,238.12 = 65,166.56/x
3. Step 3: Cross multiply
   262,158.56x = 393,238.12 × 65,166.56
4. Step 4: Simplify right side
   262,158.56x = 25,625,975,541.27
5. Step 5: Solve for x
   x = 25,625,975,541.27/262,158.56
6. Step 6: Final answer
   x = 97,749.91