Finding the Fourth Proportional to 10,336.55, 14,264.10 and 5,620.79

Step by Step Solution

1. Step 1: Write the proportion equation
   10,336.55 : 14,264.10 = 5,620.79 : x
2. Step 2: Convert to fraction form
   10,336.55/14,264.10 = 5,620.79/x
3. Step 3: Cross multiply
   10,336.55x = 14,264.10 × 5,620.79
4. Step 4: Simplify right side
   10,336.55x = 80,175,546.30
5. Step 5: Solve for x
   x = 80,175,546.30/10,336.55
6. Step 6: Final answer
   x = 7,756.51