Finding the Fourth Proportional to 1,358.17, 1,874.14 and 1,079.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.17 : 1,874.14 = 1,079.08 : x
2. Step 2: Convert to fraction form
   1,358.17/1,874.14 = 1,079.08/x
3. Step 3: Cross multiply
   1,358.17x = 1,874.14 × 1,079.08
4. Step 4: Simplify right side
   1,358.17x = 2,022,346.99
5. Step 5: Solve for x
   x = 2,022,346.99/1,358.17
6. Step 6: Final answer
   x = 1,489.02