Finding the Fourth Proportional to 9,404.05, 12,977.14 and 5,426.44

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.05 : 12,977.14 = 5,426.44 : x
2. Step 2: Convert to fraction form
   9,404.05/12,977.14 = 5,426.44/x
3. Step 3: Cross multiply
   9,404.05x = 12,977.14 × 5,426.44
4. Step 4: Simplify right side
   9,404.05x = 70,419,671.58
5. Step 5: Solve for x
   x = 70,419,671.58/9,404.05
6. Step 6: Final answer
   x = 7,488.23