Finding the Fourth Proportional to 9,104.79, 12,564.84 and 5,126.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.79 : 12,564.84 = 5,126.04 : x
2. Step 2: Convert to fraction form
   9,104.79/12,564.84 = 5,126.04/x
3. Step 3: Cross multiply
   9,104.79x = 12,564.84 × 5,126.04
4. Step 4: Simplify right side
   9,104.79x = 64,407,872.43
5. Step 5: Solve for x
   x = 64,407,872.43/9,104.79
6. Step 6: Final answer
   x = 7,074.06