Finding the Fourth Proportional to 260,760.82, 359,837.48 and 160,139.38

Step by Step Solution

1. Step 1: Write the proportion equation
   260,760.82 : 359,837.48 = 160,139.38 : x
2. Step 2: Convert to fraction form
   260,760.82/359,837.48 = 160,139.38/x
3. Step 3: Cross multiply
   260,760.82x = 359,837.48 × 160,139.38
4. Step 4: Simplify right side
   260,760.82x = 57,624,150,947.96
5. Step 5: Solve for x
   x = 57,624,150,947.96/260,760.82
6. Step 6: Final answer
   x = 220,984.70