Finding the Fourth Proportional to 2,501.66, 3,453.50 and 1,663.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,501.66 : 3,453.50 = 1,663.76 : x
2. Step 2: Convert to fraction form
   2,501.66/3,453.50 = 1,663.76/x
3. Step 3: Cross multiply
   2,501.66x = 3,453.50 × 1,663.76
4. Step 4: Simplify right side
   2,501.66x = 5,745,807.95
5. Step 5: Solve for x
   x = 5,745,807.95/2,501.66
6. Step 6: Final answer
   x = 2,296.80