Finding the Fourth Proportional to 2,606.19, 3,598.20 and 1,612.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,606.19 : 3,598.20 = 1,612.05 : x
2. Step 2: Convert to fraction form
   2,606.19/3,598.20 = 1,612.05/x
3. Step 3: Cross multiply
   2,606.19x = 3,598.20 × 1,612.05
4. Step 4: Simplify right side
   2,606.19x = 5,800,478.31
5. Step 5: Solve for x
   x = 5,800,478.31/2,606.19
6. Step 6: Final answer
   x = 2,225.65