Finding the Fourth Proportional to 9,677.02, 13,353.78 and 5,485

Step by Step Solution

1. Step 1: Write the proportion equation
   9,677.02 : 13,353.78 = 5,485 : x
2. Step 2: Convert to fraction form
   9,677.02/13,353.78 = 5,485/x
3. Step 3: Cross multiply
   9,677.02x = 13,353.78 × 5,485
4. Step 4: Simplify right side
   9,677.02x = 73,245,483.30
5. Step 5: Solve for x
   x = 73,245,483.30/9,677.02
6. Step 6: Final answer
   x = 7,569.01