Finding the Fourth Proportional to 1,736.17, 2,613.55 and 1,557.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,736.17 : 2,613.55 = 1,557.56 : x
2. Step 2: Convert to fraction form
   1,736.17/2,613.55 = 1,557.56/x
3. Step 3: Cross multiply
   1,736.17x = 2,613.55 × 1,557.56
4. Step 4: Simplify right side
   1,736.17x = 4,070,766.50
5. Step 5: Solve for x
   x = 4,070,766.50/1,736.17
6. Step 6: Final answer
   x = 2,344.69