Finding the Fourth Proportional to 9,309.91, 12,845.64 and 5,534.33

Step by Step Solution

1. Step 1: Write the proportion equation
   9,309.91 : 12,845.64 = 5,534.33 : x
2. Step 2: Convert to fraction form
   9,309.91/12,845.64 = 5,534.33/x
3. Step 3: Cross multiply
   9,309.91x = 12,845.64 × 5,534.33
4. Step 4: Simplify right side
   9,309.91x = 71,092,010.82
5. Step 5: Solve for x
   x = 71,092,010.82/9,309.91
6. Step 6: Final answer
   x = 7,636.17