Finding the Fourth Proportional to 2,358.30, 3,536.32 and 877.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,358.30 : 3,536.32 = 877.05 : x
2. Step 2: Convert to fraction form
   2,358.30/3,536.32 = 877.05/x
3. Step 3: Cross multiply
   2,358.30x = 3,536.32 × 877.05
4. Step 4: Simplify right side
   2,358.30x = 3,101,507.39
5. Step 5: Solve for x
   x = 3,101,507.39/2,358.30
6. Step 6: Final answer
   x = 1,315.15