Finding the Fourth Proportional to 9,112.95, 12,576.60 and 5,133.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.95 : 12,576.60 = 5,133.83 : x
2. Step 2: Convert to fraction form
   9,112.95/12,576.60 = 5,133.83/x
3. Step 3: Cross multiply
   9,112.95x = 12,576.60 × 5,133.83
4. Step 4: Simplify right side
   9,112.95x = 64,566,063.50
5. Step 5: Solve for x
   x = 64,566,063.50/9,112.95
6. Step 6: Final answer
   x = 7,085.09