Finding the Fourth Proportional to 9,404.58, 12,977.82 and 5,425.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.58 : 12,977.82 = 5,425.46 : x
2. Step 2: Convert to fraction form
   9,404.58/12,977.82 = 5,425.46/x
3. Step 3: Cross multiply
   9,404.58x = 12,977.82 × 5,425.46
4. Step 4: Simplify right side
   9,404.58x = 70,410,643.30
5. Step 5: Solve for x
   x = 70,410,643.30/9,404.58
6. Step 6: Final answer
   x = 7,486.85