Finding the Fourth Proportional to 11,870.67, 17,805.84 and 3,550.53

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.67 : 17,805.84 = 3,550.53 : x
2. Step 2: Convert to fraction form
   11,870.67/17,805.84 = 3,550.53/x
3. Step 3: Cross multiply
   11,870.67x = 17,805.84 × 3,550.53
4. Step 4: Simplify right side
   11,870.67x = 63,220,169.10
5. Step 5: Solve for x
   x = 63,220,169.10/11,870.67
6. Step 6: Final answer
   x = 5,325.75