Finding the Fourth Proportional to 9,811.25, 14,723.49 and 3,655.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,811.25 : 14,723.49 = 3,655.25 : x
2. Step 2: Convert to fraction form
   9,811.25/14,723.49 = 3,655.25/x
3. Step 3: Cross multiply
   9,811.25x = 14,723.49 × 3,655.25
4. Step 4: Simplify right side
   9,811.25x = 53,818,036.82
5. Step 5: Solve for x
   x = 53,818,036.82/9,811.25
6. Step 6: Final answer
   x = 5,485.34