Finding the Fourth Proportional to 9,890.13, 14,841.03 and 3,654.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,890.13 : 14,841.03 = 3,654.56 : x
2. Step 2: Convert to fraction form
   9,890.13/14,841.03 = 3,654.56/x
3. Step 3: Cross multiply
   9,890.13x = 14,841.03 × 3,654.56
4. Step 4: Simplify right side
   9,890.13x = 54,237,434.60
5. Step 5: Solve for x
   x = 54,237,434.60/9,890.13
6. Step 6: Final answer
   x = 5,484.00