Finding the Fourth Proportional to 9,724.86, 14,587.50 and 3,485.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,724.86 : 14,587.50 = 3,485.28 : x
2. Step 2: Convert to fraction form
   9,724.86/14,587.50 = 3,485.28/x
3. Step 3: Cross multiply
   9,724.86x = 14,587.50 × 3,485.28
4. Step 4: Simplify right side
   9,724.86x = 50,841,522
5. Step 5: Solve for x
   x = 50,841,522/9,724.86
6. Step 6: Final answer
   x = 5,228.00