Finding the Fourth Proportional to 9,705.34, 13,393.38 and 5,514.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,705.34 : 13,393.38 = 5,514.40 : x
2. Step 2: Convert to fraction form
   9,705.34/13,393.38 = 5,514.40/x
3. Step 3: Cross multiply
   9,705.34x = 13,393.38 × 5,514.40
4. Step 4: Simplify right side
   9,705.34x = 73,856,454.67
5. Step 5: Solve for x
   x = 73,856,454.67/9,705.34
6. Step 6: Final answer
   x = 7,609.88