Finding the Fourth Proportional to 11,683.33, 17,518.51 and 3,887.89

Step by Step Solution

1. Step 1: Write the proportion equation
   11,683.33 : 17,518.51 = 3,887.89 : x
2. Step 2: Convert to fraction form
   11,683.33/17,518.51 = 3,887.89/x
3. Step 3: Cross multiply
   11,683.33x = 17,518.51 × 3,887.89
4. Step 4: Simplify right side
   11,683.33x = 68,110,039.84
5. Step 5: Solve for x
   x = 68,110,039.84/11,683.33
6. Step 6: Final answer
   x = 5,829.68