Finding the Fourth Proportional to 12,903.72, 17,767.38 and 11,301.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,903.72 : 17,767.38 = 11,301.12 : x
2. Step 2: Convert to fraction form
   12,903.72/17,767.38 = 11,301.12/x
3. Step 3: Cross multiply
   12,903.72x = 17,767.38 × 11,301.12
4. Step 4: Simplify right side
   12,903.72x = 200,791,293.47
5. Step 5: Solve for x
   x = 200,791,293.47/12,903.72
6. Step 6: Final answer
   x = 15,560.73