Finding the Fourth Proportional to 2,357.69, 3,536.55 and 626.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,357.69 : 3,536.55 = 626.31 : x
2. Step 2: Convert to fraction form
   2,357.69/3,536.55 = 626.31/x
3. Step 3: Cross multiply
   2,357.69x = 3,536.55 × 626.31
4. Step 4: Simplify right side
   2,357.69x = 2,214,976.63
5. Step 5: Solve for x
   x = 2,214,976.63/2,357.69
6. Step 6: Final answer
   x = 939.47