Finding the Fourth Proportional to 3,802.59, 5,259.24 and 3,409.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,802.59 : 5,259.24 = 3,409.47 : x
2. Step 2: Convert to fraction form
   3,802.59/5,259.24 = 3,409.47/x
3. Step 3: Cross multiply
   3,802.59x = 5,259.24 × 3,409.47
4. Step 4: Simplify right side
   3,802.59x = 17,931,221.00
5. Step 5: Solve for x
   x = 17,931,221.00/3,802.59
6. Step 6: Final answer
   x = 4,715.53