Finding the Fourth Proportional to 2,818.48, 4,224.56 and 1,061.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,818.48 : 4,224.56 = 1,061.80 : x
2. Step 2: Convert to fraction form
   2,818.48/4,224.56 = 1,061.80/x
3. Step 3: Cross multiply
   2,818.48x = 4,224.56 × 1,061.80
4. Step 4: Simplify right side
   2,818.48x = 4,485,637.81
5. Step 5: Solve for x
   x = 4,485,637.81/2,818.48
6. Step 6: Final answer
   x = 1,591.51