Finding the Fourth Proportional to 1,624.58, 2,238.81 and 1,158.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,624.58 : 2,238.81 = 1,158.02 : x
2. Step 2: Convert to fraction form
   1,624.58/2,238.81 = 1,158.02/x
3. Step 3: Cross multiply
   1,624.58x = 2,238.81 × 1,158.02
4. Step 4: Simplify right side
   1,624.58x = 2,592,586.76
5. Step 5: Solve for x
   x = 2,592,586.76/1,624.58
6. Step 6: Final answer
   x = 1,595.85