Finding the Fourth Proportional to 11,646.72, 17,472.81 and 3,326.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,646.72 : 17,472.81 = 3,326.86 : x
2. Step 2: Convert to fraction form
   11,646.72/17,472.81 = 3,326.86/x
3. Step 3: Cross multiply
   11,646.72x = 17,472.81 × 3,326.86
4. Step 4: Simplify right side
   11,646.72x = 58,129,505.31
5. Step 5: Solve for x
   x = 58,129,505.31/11,646.72
6. Step 6: Final answer
   x = 4,991.06