Finding the Fourth Proportional to 3,663.34, 5,494.94 and 890.03

Step by Step Solution

1. Step 1: Write the proportion equation
   3,663.34 : 5,494.94 = 890.03 : x
2. Step 2: Convert to fraction form
   3,663.34/5,494.94 = 890.03/x
3. Step 3: Cross multiply
   3,663.34x = 5,494.94 × 890.03
4. Step 4: Simplify right side
   3,663.34x = 4,890,656.12
5. Step 5: Solve for x
   x = 4,890,656.12/3,663.34
6. Step 6: Final answer
   x = 1,335.03