Finding the Fourth Proportional to 9,431.50, 13,015.82 and 5,655.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,431.50 : 13,015.82 = 5,655.28 : x
2. Step 2: Convert to fraction form
   9,431.50/13,015.82 = 5,655.28/x
3. Step 3: Cross multiply
   9,431.50x = 13,015.82 × 5,655.28
4. Step 4: Simplify right side
   9,431.50x = 73,608,013.17
5. Step 5: Solve for x
   x = 73,608,013.17/9,431.50
6. Step 6: Final answer
   x = 7,804.49