Finding the Fourth Proportional to 11,893.39, 17,815.86 and 5,634.43

Step by Step Solution

1. Step 1: Write the proportion equation
   11,893.39 : 17,815.86 = 5,634.43 : x
2. Step 2: Convert to fraction form
   11,893.39/17,815.86 = 5,634.43/x
3. Step 3: Cross multiply
   11,893.39x = 17,815.86 × 5,634.43
4. Step 4: Simplify right side
   11,893.39x = 100,382,171.52
5. Step 5: Solve for x
   x = 100,382,171.52/11,893.39
6. Step 6: Final answer
   x = 8,440.17