Finding the Fourth Proportional to 3,061.14, 4,224.71 and 1,802.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.14 : 4,224.71 = 1,802.50 : x
2. Step 2: Convert to fraction form
   3,061.14/4,224.71 = 1,802.50/x
3. Step 3: Cross multiply
   3,061.14x = 4,224.71 × 1,802.50
4. Step 4: Simplify right side
   3,061.14x = 7,615,039.78
5. Step 5: Solve for x
   x = 7,615,039.78/3,061.14
6. Step 6: Final answer
   x = 2,487.65