Finding the Fourth Proportional to 1,567.56, 2,346.72 and 1,158.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,567.56 : 2,346.72 = 1,158.53 : x
2. Step 2: Convert to fraction form
   1,567.56/2,346.72 = 1,158.53/x
3. Step 3: Cross multiply
   1,567.56x = 2,346.72 × 1,158.53
4. Step 4: Simplify right side
   1,567.56x = 2,718,728.00
5. Step 5: Solve for x
   x = 2,718,728.00/1,567.56
6. Step 6: Final answer
   x = 1,734.37