Finding the Fourth Proportional to 10,345.42, 14,276.70 and 5,629.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.42 : 14,276.70 = 5,629.69 : x
2. Step 2: Convert to fraction form
   10,345.42/14,276.70 = 5,629.69/x
3. Step 3: Cross multiply
   10,345.42x = 14,276.70 × 5,629.69
4. Step 4: Simplify right side
   10,345.42x = 80,373,395.22
5. Step 5: Solve for x
   x = 80,373,395.22/10,345.42
6. Step 6: Final answer
   x = 7,768.98