Finding the Fourth Proportional to 147,082.73, 202,987.89 and 86,672.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,082.73 : 202,987.89 = 86,672.12 : x
2. Step 2: Convert to fraction form
   147,082.73/202,987.89 = 86,672.12/x
3. Step 3: Cross multiply
   147,082.73x = 202,987.89 × 86,672.12
4. Step 4: Simplify right side
   147,082.73x = 17,593,389,745.69
5. Step 5: Solve for x
   x = 17,593,389,745.69/147,082.73
6. Step 6: Final answer
   x = 119,615.61