Finding the Fourth Proportional to 9,705.68, 13,393.77 and 5,513.93

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.68 : 13,393.77 = 5,513.93 : x
2. Step 2: Convert to fraction form
   9,705.68/13,393.77 = 5,513.93/x
3. Step 3: Cross multiply
   9,705.68x = 13,393.77 × 5,513.93
4. Step 4: Simplify right side
   9,705.68x = 73,852,310.22
5. Step 5: Solve for x
   x = 73,852,310.22/9,705.68
6. Step 6: Final answer
   x = 7,609.18