Finding the Fourth Proportional to 9,665.22, 13,338.86 and 5,887.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,665.22 : 13,338.86 = 5,887.48 : x
2. Step 2: Convert to fraction form
   9,665.22/13,338.86 = 5,887.48/x
3. Step 3: Cross multiply
   9,665.22x = 13,338.86 × 5,887.48
4. Step 4: Simplify right side
   9,665.22x = 78,532,271.47
5. Step 5: Solve for x
   x = 78,532,271.47/9,665.22
6. Step 6: Final answer
   x = 8,125.24