Finding the Fourth Proportional to 9,113.10, 12,574.35 and 5,134.02

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.10 : 12,574.35 = 5,134.02 : x
2. Step 2: Convert to fraction form
   9,113.10/12,574.35 = 5,134.02/x
3. Step 3: Cross multiply
   9,113.10x = 12,574.35 × 5,134.02
4. Step 4: Simplify right side
   9,113.10x = 64,556,964.39
5. Step 5: Solve for x
   x = 64,556,964.39/9,113.10
6. Step 6: Final answer
   x = 7,083.97