Finding the Fourth Proportional to 9,512.82, 13,128.93 and 5,322.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,512.82 : 13,128.93 = 5,322.42 : x
2. Step 2: Convert to fraction form
   9,512.82/13,128.93 = 5,322.42/x
3. Step 3: Cross multiply
   9,512.82x = 13,128.93 × 5,322.42
4. Step 4: Simplify right side
   9,512.82x = 69,877,679.61
5. Step 5: Solve for x
   x = 69,877,679.61/9,512.82
6. Step 6: Final answer
   x = 7,345.63