Finding the Fourth Proportional to 11,843.80, 17,759.16 and 7,451.86

Step by Step Solution

1. Step 1: Write the proportion equation
   11,843.80 : 17,759.16 = 7,451.86 : x
2. Step 2: Convert to fraction form
   11,843.80/17,759.16 = 7,451.86/x
3. Step 3: Cross multiply
   11,843.80x = 17,759.16 × 7,451.86
4. Step 4: Simplify right side
   11,843.80x = 132,338,774.04
5. Step 5: Solve for x
   x = 132,338,774.04/11,843.80
6. Step 6: Final answer
   x = 11,173.68