Finding the Fourth Proportional to 2,913.55, 4,368.59 and 1,157.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,913.55 : 4,368.59 = 1,157.61 : x
2. Step 2: Convert to fraction form
   2,913.55/4,368.59 = 1,157.61/x
3. Step 3: Cross multiply
   2,913.55x = 4,368.59 × 1,157.61
4. Step 4: Simplify right side
   2,913.55x = 5,057,120.90
5. Step 5: Solve for x
   x = 5,057,120.90/2,913.55
6. Step 6: Final answer
   x = 1,735.73