Finding the Fourth Proportional to 2,606.72, 3,909.96 and 1,824.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.72 : 3,909.96 = 1,824.48 : x
2. Step 2: Convert to fraction form
   2,606.72/3,909.96 = 1,824.48/x
3. Step 3: Cross multiply
   2,606.72x = 3,909.96 × 1,824.48
4. Step 4: Simplify right side
   2,606.72x = 7,133,643.82
5. Step 5: Solve for x
   x = 7,133,643.82/2,606.72
6. Step 6: Final answer
   x = 2,736.64