Finding the Fourth Proportional to 13,923.30, 20,885.00 and 3,535.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,923.30 : 20,885.00 = 3,535.05 : x
2. Step 2: Convert to fraction form
   13,923.30/20,885.00 = 3,535.05/x
3. Step 3: Cross multiply
   13,923.30x = 20,885.00 × 3,535.05
4. Step 4: Simplify right side
   13,923.30x = 73,829,501.57
5. Step 5: Solve for x
   x = 73,829,501.57/13,923.30
6. Step 6: Final answer
   x = 5,302.59