Finding the Fourth Proportional to 146,196.96, 201,739.68 and 85,761.28

Step by Step Solution

1. Step 1: Write the proportion equation
   146,196.96 : 201,739.68 = 85,761.28 : x
2. Step 2: Convert to fraction form
   146,196.96/201,739.68 = 85,761.28/x
3. Step 3: Cross multiply
   146,196.96x = 201,739.68 × 85,761.28
4. Step 4: Simplify right side
   146,196.96x = 17,301,453,183.59
5. Step 5: Solve for x
   x = 17,301,453,183.59/146,196.96
6. Step 6: Final answer
   x = 118,343.45