Finding the Fourth Proportional to 9,113.60, 12,576.71 and 5,134.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.60 : 12,576.71 = 5,134.73 : x
2. Step 2: Convert to fraction form
   9,113.60/12,576.71 = 5,134.73/x
3. Step 3: Cross multiply
   9,113.60x = 12,576.71 × 5,134.73
4. Step 4: Simplify right side
   9,113.60x = 64,577,921.58
5. Step 5: Solve for x
   x = 64,577,921.58/9,113.60
6. Step 6: Final answer
   x = 7,085.89