Finding the Fourth Proportional to 1,558.10, 2,334.72 and 736.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,558.10 : 2,334.72 = 736.22 : x
2. Step 2: Convert to fraction form
   1,558.10/2,334.72 = 736.22/x
3. Step 3: Cross multiply
   1,558.10x = 2,334.72 × 736.22
4. Step 4: Simplify right side
   1,558.10x = 1,718,867.56
5. Step 5: Solve for x
   x = 1,718,867.56/1,558.10
6. Step 6: Final answer
   x = 1,103.18