Finding the Fourth Proportional to 10,345.55, 14,276.43 and 5,629.83

Step by Step Solution

1. Step 1: Write the proportion equation
   10,345.55 : 14,276.43 = 5,629.83 : x
2. Step 2: Convert to fraction form
   10,345.55/14,276.43 = 5,629.83/x
3. Step 3: Cross multiply
   10,345.55x = 14,276.43 × 5,629.83
4. Step 4: Simplify right side
   10,345.55x = 80,373,873.91
5. Step 5: Solve for x
   x = 80,373,873.91/10,345.55
6. Step 6: Final answer
   x = 7,768.94