Finding the Fourth Proportional to 2,435.47, 3,650.89 and 790.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,435.47 : 3,650.89 = 790.87 : x
2. Step 2: Convert to fraction form
   2,435.47/3,650.89 = 790.87/x
3. Step 3: Cross multiply
   2,435.47x = 3,650.89 × 790.87
4. Step 4: Simplify right side
   2,435.47x = 2,887,357.17
5. Step 5: Solve for x
   x = 2,887,357.17/2,435.47
6. Step 6: Final answer
   x = 1,185.55