Finding the Fourth Proportional to 1,453.51, 2,005.83 and 790.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.51 : 2,005.83 = 790.35 : x
2. Step 2: Convert to fraction form
   1,453.51/2,005.83 = 790.35/x
3. Step 3: Cross multiply
   1,453.51x = 2,005.83 × 790.35
4. Step 4: Simplify right side
   1,453.51x = 1,585,307.74
5. Step 5: Solve for x
   x = 1,585,307.74/1,453.51
6. Step 6: Final answer
   x = 1,090.68