Finding the Fourth Proportional to 13,145.40, 19,700.01 and 5,756.04

Step by Step Solution

1. Step 1: Write the proportion equation
   13,145.40 : 19,700.01 = 5,756.04 : x
2. Step 2: Convert to fraction form
   13,145.40/19,700.01 = 5,756.04/x
3. Step 3: Cross multiply
   13,145.40x = 19,700.01 × 5,756.04
4. Step 4: Simplify right side
   13,145.40x = 113,394,045.56
5. Step 5: Solve for x
   x = 113,394,045.56/13,145.40
6. Step 6: Final answer
   x = 8,626.14