Finding the Fourth Proportional to 11,683.49, 17,521.09 and 3,784.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,683.49 : 17,521.09 = 3,784.10 : x
2. Step 2: Convert to fraction form
   11,683.49/17,521.09 = 3,784.10/x
3. Step 3: Cross multiply
   11,683.49x = 17,521.09 × 3,784.10
4. Step 4: Simplify right side
   11,683.49x = 66,301,459.60
5. Step 5: Solve for x
   x = 66,301,459.60/11,683.49
6. Step 6: Final answer
   x = 5,674.80