Finding the Fourth Proportional to 1,900.09, 2,621.74 and 1,103.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,900.09 : 2,621.74 = 1,103.40 : x
2. Step 2: Convert to fraction form
   1,900.09/2,621.74 = 1,103.40/x
3. Step 3: Cross multiply
   1,900.09x = 2,621.74 × 1,103.40
4. Step 4: Simplify right side
   1,900.09x = 2,892,827.92
5. Step 5: Solve for x
   x = 2,892,827.92/1,900.09
6. Step 6: Final answer
   x = 1,522.47