Finding the Fourth Proportional to 2,301.82, 3,453.15 and 842.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,301.82 : 3,453.15 = 842.02 : x
2. Step 2: Convert to fraction form
   2,301.82/3,453.15 = 842.02/x
3. Step 3: Cross multiply
   2,301.82x = 3,453.15 × 842.02
4. Step 4: Simplify right side
   2,301.82x = 2,907,621.36
5. Step 5: Solve for x
   x = 2,907,621.36/2,301.82
6. Step 6: Final answer
   x = 1,263.18