Finding the Fourth Proportional to 3,485.01, 5,224.72 and 1,818.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,485.01 : 5,224.72 = 1,818.29 : x
2. Step 2: Convert to fraction form
   3,485.01/5,224.72 = 1,818.29/x
3. Step 3: Cross multiply
   3,485.01x = 5,224.72 × 1,818.29
4. Step 4: Simplify right side
   3,485.01x = 9,500,077.99
5. Step 5: Solve for x
   x = 9,500,077.99/3,485.01
6. Step 6: Final answer
   x = 2,725.99