Finding the Fourth Proportional to 1,404.63, 2,104.92 and 1,038.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.63 : 2,104.92 = 1,038.51 : x
2. Step 2: Convert to fraction form
   1,404.63/2,104.92 = 1,038.51/x
3. Step 3: Cross multiply
   1,404.63x = 2,104.92 × 1,038.51
4. Step 4: Simplify right side
   1,404.63x = 2,185,980.47
5. Step 5: Solve for x
   x = 2,185,980.47/1,404.63
6. Step 6: Final answer
   x = 1,556.27