Finding the Fourth Proportional to 10,336.63, 14,264.45 and 5,620.91

Step by Step Solution

1. Step 1: Write the proportion equation
   10,336.63 : 14,264.45 = 5,620.91 : x
2. Step 2: Convert to fraction form
   10,336.63/14,264.45 = 5,620.91/x
3. Step 3: Cross multiply
   10,336.63x = 14,264.45 × 5,620.91
4. Step 4: Simplify right side
   10,336.63x = 80,179,090.22
5. Step 5: Solve for x
   x = 80,179,090.22/10,336.63
6. Step 6: Final answer
   x = 7,756.79