Finding the Fourth Proportional to 2,103.54, 2,904.24 and 1,358.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,103.54 : 2,904.24 = 1,358.64 : x
2. Step 2: Convert to fraction form
   2,103.54/2,904.24 = 1,358.64/x
3. Step 3: Cross multiply
   2,103.54x = 2,904.24 × 1,358.64
4. Step 4: Simplify right side
   2,103.54x = 3,945,816.63
5. Step 5: Solve for x
   x = 3,945,816.63/2,103.54
6. Step 6: Final answer
   x = 1,875.80