Finding the Fourth Proportional to 13,548.98, 20,323.55 and 3,688.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,548.98 : 20,323.55 = 3,688.34 : x
2. Step 2: Convert to fraction form
   13,548.98/20,323.55 = 3,688.34/x
3. Step 3: Cross multiply
   13,548.98x = 20,323.55 × 3,688.34
4. Step 4: Simplify right side
   13,548.98x = 74,960,196.03
5. Step 5: Solve for x
   x = 74,960,196.03/13,548.98
6. Step 6: Final answer
   x = 5,532.54