Finding the Fourth Proportional to 3,061.79, 4,224.90 and 1,802.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.79 : 4,224.90 = 1,802.56 : x
2. Step 2: Convert to fraction form
   3,061.79/4,224.90 = 1,802.56/x
3. Step 3: Cross multiply
   3,061.79x = 4,224.90 × 1,802.56
4. Step 4: Simplify right side
   3,061.79x = 7,615,625.18
5. Step 5: Solve for x
   x = 7,615,625.18/3,061.79
6. Step 6: Final answer
   x = 2,487.32