Finding the Fourth Proportional to 8,962.76, 12,364.74 and 5,599.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,962.76 : 12,364.74 = 5,599.72 : x
2. Step 2: Convert to fraction form
   8,962.76/12,364.74 = 5,599.72/x
3. Step 3: Cross multiply
   8,962.76x = 12,364.74 × 5,599.72
4. Step 4: Simplify right side
   8,962.76x = 69,239,081.87
5. Step 5: Solve for x
   x = 69,239,081.87/8,962.76
6. Step 6: Final answer
   x = 7,725.20