Finding the Fourth Proportional to 170,683.31, 256,057.99 and 65,494.10

Step by Step Solution

1. Step 1: Write the proportion equation
   170,683.31 : 256,057.99 = 65,494.10 : x
2. Step 2: Convert to fraction form
   170,683.31/256,057.99 = 65,494.10/x
3. Step 3: Cross multiply
   170,683.31x = 256,057.99 × 65,494.10
4. Step 4: Simplify right side
   170,683.31x = 16,770,286,158.83
5. Step 5: Solve for x
   x = 16,770,286,158.83/170,683.31
6. Step 6: Final answer
   x = 98,253.82