Finding the Fourth Proportional to 2,105.55, 3,153.74 and 1,736.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105.55 : 3,153.74 = 1,736.19 : x
2. Step 2: Convert to fraction form
   2,105.55/3,153.74 = 1,736.19/x
3. Step 3: Cross multiply
   2,105.55x = 3,153.74 × 1,736.19
4. Step 4: Simplify right side
   2,105.55x = 5,475,483.17
5. Step 5: Solve for x
   x = 5,475,483.17/2,105.55
6. Step 6: Final answer
   x = 2,600.50