Finding the Fourth Proportional to 9,112.82, 12,574.26 and 5,133.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.82 : 12,574.26 = 5,133.83 : x
2. Step 2: Convert to fraction form
   9,112.82/12,574.26 = 5,133.83/x
3. Step 3: Cross multiply
   9,112.82x = 12,574.26 × 5,133.83
4. Step 4: Simplify right side
   9,112.82x = 64,554,050.34
5. Step 5: Solve for x
   x = 64,554,050.34/9,112.82
6. Step 6: Final answer
   x = 7,083.88