Finding the Fourth Proportional to 9,404.88, 12,973.72 and 7,633.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,404.88 : 12,973.72 = 7,633.36 : x
2. Step 2: Convert to fraction form
   9,404.88/12,973.72 = 7,633.36/x
3. Step 3: Cross multiply
   9,404.88x = 12,973.72 × 7,633.36
4. Step 4: Simplify right side
   9,404.88x = 99,033,075.30
5. Step 5: Solve for x
   x = 99,033,075.30/9,404.88
6. Step 6: Final answer
   x = 10,529.97