Finding the Fourth Proportional to 9,086.04, 12,538.15 and 5,107.09

Step by Step Solution

1. Step 1: Write the proportion equation
   9,086.04 : 12,538.15 = 5,107.09 : x
2. Step 2: Convert to fraction form
   9,086.04/12,538.15 = 5,107.09/x
3. Step 3: Cross multiply
   9,086.04x = 12,538.15 × 5,107.09
4. Step 4: Simplify right side
   9,086.04x = 64,033,460.48
5. Step 5: Solve for x
   x = 64,033,460.48/9,086.04
6. Step 6: Final answer
   x = 7,047.46