Finding the Fourth Proportional to 1,453.25, 2,005.51 and 790.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.25 : 2,005.51 = 790.10 : x
2. Step 2: Convert to fraction form
   1,453.25/2,005.51 = 790.10/x
3. Step 3: Cross multiply
   1,453.25x = 2,005.51 × 790.10
4. Step 4: Simplify right side
   1,453.25x = 1,584,556.49
5. Step 5: Solve for x
   x = 1,584,556.49/1,453.25
6. Step 6: Final answer
   x = 1,090.35