Finding the Fourth Proportional to 6,619.79, 9,976.16 and 5,962.49

Step by Step Solution

1. Step 1: Write the proportion equation
   6,619.79 : 9,976.16 = 5,962.49 : x
2. Step 2: Convert to fraction form
   6,619.79/9,976.16 = 5,962.49/x
3. Step 3: Cross multiply
   6,619.79x = 9,976.16 × 5,962.49
4. Step 4: Simplify right side
   6,619.79x = 59,482,674.55
5. Step 5: Solve for x
   x = 59,482,674.55/6,619.79
6. Step 6: Final answer
   x = 8,985.59