Finding the Fourth Proportional to 2,355.43, 3,533.71 and 1,663.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,355.43 : 3,533.71 = 1,663.45 : x
2. Step 2: Convert to fraction form
   2,355.43/3,533.71 = 1,663.45/x
3. Step 3: Cross multiply
   2,355.43x = 3,533.71 × 1,663.45
4. Step 4: Simplify right side
   2,355.43x = 5,878,152.01
5. Step 5: Solve for x
   x = 5,878,152.01/2,355.43
6. Step 6: Final answer
   x = 2,495.58