Finding the Fourth Proportional to 11,869.33, 17,802.78 and 3,103.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,869.33 : 17,802.78 = 3,103.12 : x
2. Step 2: Convert to fraction form
   11,869.33/17,802.78 = 3,103.12/x
3. Step 3: Cross multiply
   11,869.33x = 17,802.78 × 3,103.12
4. Step 4: Simplify right side
   11,869.33x = 55,244,162.67
5. Step 5: Solve for x
   x = 55,244,162.67/11,869.33
6. Step 6: Final answer
   x = 4,654.36