Finding the Fourth Proportional to 113,850.72, 170,510.38 and 89,998.14

Step by Step Solution

1. Step 1: Write the proportion equation
   113,850.72 : 170,510.38 = 89,998.14 : x
2. Step 2: Convert to fraction form
   113,850.72/170,510.38 = 89,998.14/x
3. Step 3: Cross multiply
   113,850.72x = 170,510.38 × 89,998.14
4. Step 4: Simplify right side
   113,850.72x = 15,345,617,050.69
5. Step 5: Solve for x
   x = 15,345,617,050.69/113,850.72
6. Step 6: Final answer
   x = 134,787.18