Finding the Fourth Proportional to 9,112.49, 12,575.27 and 5,133.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.49 : 12,575.27 = 5,133.67 : x
2. Step 2: Convert to fraction form
   9,112.49/12,575.27 = 5,133.67/x
3. Step 3: Cross multiply
   9,112.49x = 12,575.27 × 5,133.67
4. Step 4: Simplify right side
   9,112.49x = 64,557,286.34
5. Step 5: Solve for x
   x = 64,557,286.34/9,112.49
6. Step 6: Final answer
   x = 7,084.48