Finding the Fourth Proportional to 9,841.36, 13,577.82 and 5,591.92

Step by Step Solution

1. Step 1: Write the proportion equation
   9,841.36 : 13,577.82 = 5,591.92 : x
2. Step 2: Convert to fraction form
   9,841.36/13,577.82 = 5,591.92/x
3. Step 3: Cross multiply
   9,841.36x = 13,577.82 × 5,591.92
4. Step 4: Simplify right side
   9,841.36x = 75,926,083.21
5. Step 5: Solve for x
   x = 75,926,083.21/9,841.36
6. Step 6: Final answer
   x = 7,715.00