Finding the Fourth Proportional to 2,203.52, 3,302.42 and 1,681.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,203.52 : 3,302.42 = 1,681.59 : x
2. Step 2: Convert to fraction form
   2,203.52/3,302.42 = 1,681.59/x
3. Step 3: Cross multiply
   2,203.52x = 3,302.42 × 1,681.59
4. Step 4: Simplify right side
   2,203.52x = 5,553,316.45
5. Step 5: Solve for x
   x = 5,553,316.45/2,203.52
6. Step 6: Final answer
   x = 2,520.20