Finding the Fourth Proportional to 10,588.37, 15,906.87 and 9,112.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,588.37 : 15,906.87 = 9,112.14 : x
2. Step 2: Convert to fraction form
   10,588.37/15,906.87 = 9,112.14/x
3. Step 3: Cross multiply
   10,588.37x = 15,906.87 × 9,112.14
4. Step 4: Simplify right side
   10,588.37x = 144,945,626.40
5. Step 5: Solve for x
   x = 144,945,626.40/10,588.37
6. Step 6: Final answer
   x = 13,689.14