Finding the Fourth Proportional to 3,256.05, 4,884.01 and 790.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,256.05 : 4,884.01 = 790.89 : x
2. Step 2: Convert to fraction form
   3,256.05/4,884.01 = 790.89/x
3. Step 3: Cross multiply
   3,256.05x = 4,884.01 × 790.89
4. Step 4: Simplify right side
   3,256.05x = 3,862,698.83
5. Step 5: Solve for x
   x = 3,862,698.83/3,256.05
6. Step 6: Final answer
   x = 1,186.31