Finding the Fourth Proportional to 8,907.59, 12,292.59 and 5,551.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,907.59 : 12,292.59 = 5,551.76 : x
2. Step 2: Convert to fraction form
   8,907.59/12,292.59 = 5,551.76/x
3. Step 3: Cross multiply
   8,907.59x = 12,292.59 × 5,551.76
4. Step 4: Simplify right side
   8,907.59x = 68,245,509.46
5. Step 5: Solve for x
   x = 68,245,509.46/8,907.59
6. Step 6: Final answer
   x = 7,661.50