Finding the Fourth Proportional to 9,112.46, 12,572.99 and 5,133.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.46 : 12,572.99 = 5,133.58 : x
2. Step 2: Convert to fraction form
   9,112.46/12,572.99 = 5,133.58/x
3. Step 3: Cross multiply
   9,112.46x = 12,572.99 × 5,133.58
4. Step 4: Simplify right side
   9,112.46x = 64,544,361.47
5. Step 5: Solve for x
   x = 64,544,361.47/9,112.46
6. Step 6: Final answer
   x = 7,083.09