Finding the Fourth Proportional to 8,896.72, 12,277.82 and 5,907.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,896.72 : 12,277.82 = 5,907.40 : x
2. Step 2: Convert to fraction form
   8,896.72/12,277.82 = 5,907.40/x
3. Step 3: Cross multiply
   8,896.72x = 12,277.82 × 5,907.40
4. Step 4: Simplify right side
   8,896.72x = 72,529,993.87
5. Step 5: Solve for x
   x = 72,529,993.87/8,896.72
6. Step 6: Final answer
   x = 8,152.44