Finding the Fourth Proportional to 9,683.55, 13,363.88 and 5,436

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.55 : 13,363.88 = 5,436 : x
2. Step 2: Convert to fraction form
   9,683.55/13,363.88 = 5,436/x
3. Step 3: Cross multiply
   9,683.55x = 13,363.88 × 5,436
4. Step 4: Simplify right side
   9,683.55x = 72,646,024.50
5. Step 5: Solve for x
   x = 72,646,024.50/9,683.55
6. Step 6: Final answer
   x = 7,502.00