Finding the Fourth Proportional to 12,954.13, 17,875.89 and 7,288.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,954.13 : 17,875.89 = 7,288.18 : x
2. Step 2: Convert to fraction form
   12,954.13/17,875.89 = 7,288.18/x
3. Step 3: Cross multiply
   12,954.13x = 17,875.89 × 7,288.18
4. Step 4: Simplify right side
   12,954.13x = 130,282,659.29
5. Step 5: Solve for x
   x = 130,282,659.29/12,954.13
6. Step 6: Final answer
   x = 10,057.23