Finding the Fourth Proportional to 9,294.47, 12,820.54 and 5,514.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,294.47 : 12,820.54 = 5,514.96 : x
2. Step 2: Convert to fraction form
   9,294.47/12,820.54 = 5,514.96/x
3. Step 3: Cross multiply
   9,294.47x = 12,820.54 × 5,514.96
4. Step 4: Simplify right side
   9,294.47x = 70,704,765.28
5. Step 5: Solve for x
   x = 70,704,765.28/9,294.47
6. Step 6: Final answer
   x = 7,607.19