Finding the Fourth Proportional to 11,357.87, 17,036.89 and 3,962.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,357.87 : 17,036.89 = 3,962.30 : x
2. Step 2: Convert to fraction form
   11,357.87/17,036.89 = 3,962.30/x
3. Step 3: Cross multiply
   11,357.87x = 17,036.89 × 3,962.30
4. Step 4: Simplify right side
   11,357.87x = 67,505,269.25
5. Step 5: Solve for x
   x = 67,505,269.25/11,357.87
6. Step 6: Final answer
   x = 5,943.48