Finding the Fourth Proportional to 11,931.36, 17,899.86 and 11,733

Step by Step Solution

1. Step 1: Write the proportion equation
   11,931.36 : 17,899.86 = 11,733 : x
2. Step 2: Convert to fraction form
   11,931.36/17,899.86 = 11,733/x
3. Step 3: Cross multiply
   11,931.36x = 17,899.86 × 11,733
4. Step 4: Simplify right side
   11,931.36x = 210,019,057.38
5. Step 5: Solve for x
   x = 210,019,057.38/11,931.36
6. Step 6: Final answer
   x = 17,602.27