Finding the Fourth Proportional to 1,558.55, 2,338.59 and 736.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.55 : 2,338.59 = 736.61 : x
2. Step 2: Convert to fraction form
   1,558.55/2,338.59 = 736.61/x
3. Step 3: Cross multiply
   1,558.55x = 2,338.59 × 736.61
4. Step 4: Simplify right side
   1,558.55x = 1,722,619.85
5. Step 5: Solve for x
   x = 1,722,619.85/1,558.55
6. Step 6: Final answer
   x = 1,105.27