Finding the Fourth Proportional to 9,817.50, 13,548.15 and 5,401.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,817.50 : 13,548.15 = 5,401.50 : x
2. Step 2: Convert to fraction form
   9,817.50/13,548.15 = 5,401.50/x
3. Step 3: Cross multiply
   9,817.50x = 13,548.15 × 5,401.50
4. Step 4: Simplify right side
   9,817.50x = 73,180,332.23
5. Step 5: Solve for x
   x = 73,180,332.23/9,817.50
6. Step 6: Final answer
   x = 7,454.07