Finding the Fourth Proportional to 3,061.02, 4,224.21 and 1,802.12

Step by Step Solution

1. Step 1: Write the proportion equation
   3,061.02 : 4,224.21 = 1,802.12 : x
2. Step 2: Convert to fraction form
   3,061.02/4,224.21 = 1,802.12/x
3. Step 3: Cross multiply
   3,061.02x = 4,224.21 × 1,802.12
4. Step 4: Simplify right side
   3,061.02x = 7,612,533.33
5. Step 5: Solve for x
   x = 7,612,533.33/3,061.02
6. Step 6: Final answer
   x = 2,486.93