Finding the Fourth Proportional to 113,849.72, 170,508.88 and 89,997.14

Step by Step Solution

1. Step 1: Write the proportion equation
   113,849.72 : 170,508.88 = 89,997.14 : x
2. Step 2: Convert to fraction form
   113,849.72/170,508.88 = 89,997.14/x
3. Step 3: Cross multiply
   113,849.72x = 170,508.88 × 89,997.14
4. Step 4: Simplify right side
   113,849.72x = 15,345,312,083.37
5. Step 5: Solve for x
   x = 15,345,312,083.37/113,849.72
6. Step 6: Final answer
   x = 134,785.68