Finding the Fourth Proportional to 1,631.21, 2,248.56 and 1,366.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.21 : 2,248.56 = 1,366.54 : x
2. Step 2: Convert to fraction form
   1,631.21/2,248.56 = 1,366.54/x
3. Step 3: Cross multiply
   1,631.21x = 2,248.56 × 1,366.54
4. Step 4: Simplify right side
   1,631.21x = 3,072,741.56
5. Step 5: Solve for x
   x = 3,072,741.56/1,631.21
6. Step 6: Final answer
   x = 1,883.72