Finding the Fourth Proportional to 9,404.04, 12,977.55 and 5,425.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.04 : 12,977.55 = 5,425.08 : x
2. Step 2: Convert to fraction form
   9,404.04/12,977.55 = 5,425.08/x
3. Step 3: Cross multiply
   9,404.04x = 12,977.55 × 5,425.08
4. Step 4: Simplify right side
   9,404.04x = 70,404,246.95
5. Step 5: Solve for x
   x = 70,404,246.95/9,404.04
6. Step 6: Final answer
   x = 7,486.60