Finding the Fourth Proportional to 9,705.32, 13,393.33 and 5,513.57

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.32 : 13,393.33 = 5,513.57 : x
2. Step 2: Convert to fraction form
   9,705.32/13,393.33 = 5,513.57/x
3. Step 3: Cross multiply
   9,705.32x = 13,393.33 × 5,513.57
4. Step 4: Simplify right side
   9,705.32x = 73,844,995.52
5. Step 5: Solve for x
   x = 73,844,995.52/9,705.32
6. Step 6: Final answer
   x = 7,608.72