Finding the Fourth Proportional to 10,141.04, 15,231.16 and 8,410.16

Step by Step Solution

1. Step 1: Write the proportion equation
   10,141.04 : 15,231.16 = 8,410.16 : x
2. Step 2: Convert to fraction form
   10,141.04/15,231.16 = 8,410.16/x
3. Step 3: Cross multiply
   10,141.04x = 15,231.16 × 8,410.16
4. Step 4: Simplify right side
   10,141.04x = 128,096,492.59
5. Step 5: Solve for x
   x = 128,096,492.59/10,141.04
6. Step 6: Final answer
   x = 12,631.49