Finding the Fourth Proportional to 1,663.82, 2,494.38 and 1,252.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663.82 : 2,494.38 = 1,252.16 : x
2. Step 2: Convert to fraction form
   1,663.82/2,494.38 = 1,252.16/x
3. Step 3: Cross multiply
   1,663.82x = 2,494.38 × 1,252.16
4. Step 4: Simplify right side
   1,663.82x = 3,123,362.86
5. Step 5: Solve for x
   x = 3,123,362.86/1,663.82
6. Step 6: Final answer
   x = 1,877.22