Finding the Fourth Proportional to 1,900.84, 2,622.58 and 1,155.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.84 : 2,622.58 = 1,155.24 : x
2. Step 2: Convert to fraction form
   1,900.84/2,622.58 = 1,155.24/x
3. Step 3: Cross multiply
   1,900.84x = 2,622.58 × 1,155.24
4. Step 4: Simplify right side
   1,900.84x = 3,029,709.32
5. Step 5: Solve for x
   x = 3,029,709.32/1,900.84
6. Step 6: Final answer
   x = 1,593.88