Finding the Fourth Proportional to 11,685.60, 17,513.81 and 5,843.88

Step by Step Solution

1. Step 1: Write the proportion equation
   11,685.60 : 17,513.81 = 5,843.88 : x
2. Step 2: Convert to fraction form
   11,685.60/17,513.81 = 5,843.88/x
3. Step 3: Cross multiply
   11,685.60x = 17,513.81 × 5,843.88
4. Step 4: Simplify right side
   11,685.60x = 102,348,603.98
5. Step 5: Solve for x
   x = 102,348,603.98/11,685.60
6. Step 6: Final answer
   x = 8,758.52