Finding the Fourth Proportional to 2,501.66, 3,453.69 and 1,663.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.66 : 3,453.69 = 1,663.50 : x
2. Step 2: Convert to fraction form
   2,501.66/3,453.69 = 1,663.50/x
3. Step 3: Cross multiply
   2,501.66x = 3,453.69 × 1,663.50
4. Step 4: Simplify right side
   2,501.66x = 5,745,213.32
5. Step 5: Solve for x
   x = 5,745,213.32/2,501.66
6. Step 6: Final answer
   x = 2,296.56