Finding the Fourth Proportional to 9,112, 12,574.32 and 5,133.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112 : 12,574.32 = 5,133.52 : x
2. Step 2: Convert to fraction form
   9,112/12,574.32 = 5,133.52/x
3. Step 3: Cross multiply
   9,112x = 12,574.32 × 5,133.52
4. Step 4: Simplify right side
   9,112x = 64,550,523.21
5. Step 5: Solve for x
   x = 64,550,523.21/9,112
6. Step 6: Final answer
   x = 7,084.12