Finding the Fourth Proportional to 9,871.49, 14,813.06 and 3,635.87

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.49 : 14,813.06 = 3,635.87 : x
2. Step 2: Convert to fraction form
   9,871.49/14,813.06 = 3,635.87/x
3. Step 3: Cross multiply
   9,871.49x = 14,813.06 × 3,635.87
4. Step 4: Simplify right side
   9,871.49x = 53,858,360.46
5. Step 5: Solve for x
   x = 53,858,360.46/9,871.49
6. Step 6: Final answer
   x = 5,455.95