Finding the Fourth Proportional to 1,453.39, 2,005.59 and 790.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.39 : 2,005.59 = 790.24 : x
2. Step 2: Convert to fraction form
   1,453.39/2,005.59 = 790.24/x
3. Step 3: Cross multiply
   1,453.39x = 2,005.59 × 790.24
4. Step 4: Simplify right side
   1,453.39x = 1,584,899.15
5. Step 5: Solve for x
   x = 1,584,899.15/1,453.39
6. Step 6: Final answer
   x = 1,090.48