Finding the Fourth Proportional to 10,336.42, 14,264.18 and 5,620.70

Step by Step Solution

1. Step 1: Write the proportion equation
   10,336.42 : 14,264.18 = 5,620.70 : x
2. Step 2: Convert to fraction form
   10,336.42/14,264.18 = 5,620.70/x
3. Step 3: Cross multiply
   10,336.42x = 14,264.18 × 5,620.70
4. Step 4: Simplify right side
   10,336.42x = 80,174,676.53
5. Step 5: Solve for x
   x = 80,174,676.53/10,336.42
6. Step 6: Final answer
   x = 7,756.53