Finding the Fourth Proportional to 11,798.16, 17,632.86 and 10,864.08

Step by Step Solution

1. Step 1: Write the proportion equation
   11,798.16 : 17,632.86 = 10,864.08 : x
2. Step 2: Convert to fraction form
   11,798.16/17,632.86 = 10,864.08/x
3. Step 3: Cross multiply
   11,798.16x = 17,632.86 × 10,864.08
4. Step 4: Simplify right side
   11,798.16x = 191,564,801.67
5. Step 5: Solve for x
   x = 191,564,801.67/11,798.16
6. Step 6: Final answer
   x = 16,236.84