Finding the Fourth Proportional to 9,267.53, 12,789.25 and 5,075.78

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.53 : 12,789.25 = 5,075.78 : x
2. Step 2: Convert to fraction form
   9,267.53/12,789.25 = 5,075.78/x
3. Step 3: Cross multiply
   9,267.53x = 12,789.25 × 5,075.78
4. Step 4: Simplify right side
   9,267.53x = 64,915,419.37
5. Step 5: Solve for x
   x = 64,915,419.37/9,267.53
6. Step 6: Final answer
   x = 7,004.61