Finding the Fourth Proportional to 11,653.31, 17,480.39 and 3,861.92

Step by Step Solution

1. Step 1: Write the proportion equation
   11,653.31 : 17,480.39 = 3,861.92 : x
2. Step 2: Convert to fraction form
   11,653.31/17,480.39 = 3,861.92/x
3. Step 3: Cross multiply
   11,653.31x = 17,480.39 × 3,861.92
4. Step 4: Simplify right side
   11,653.31x = 67,507,892.14
5. Step 5: Solve for x
   x = 67,507,892.14/11,653.31
6. Step 6: Final answer
   x = 5,793.02