Finding the Fourth Proportional to 9,753.21, 13,459.47 and 5,504.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,753.21 : 13,459.47 = 5,504.31 : x
2. Step 2: Convert to fraction form
   9,753.21/13,459.47 = 5,504.31/x
3. Step 3: Cross multiply
   9,753.21x = 13,459.47 × 5,504.31
4. Step 4: Simplify right side
   9,753.21x = 74,085,095.32
5. Step 5: Solve for x
   x = 74,085,095.32/9,753.21
6. Step 6: Final answer
   x = 7,595.97