Finding the Fourth Proportional to 10,361.12, 14,298.45 and 5,645.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,361.12 : 14,298.45 = 5,645.48 : x
2. Step 2: Convert to fraction form
   10,361.12/14,298.45 = 5,645.48/x
3. Step 3: Cross multiply
   10,361.12x = 14,298.45 × 5,645.48
4. Step 4: Simplify right side
   10,361.12x = 80,721,613.51
5. Step 5: Solve for x
   x = 80,721,613.51/10,361.12
6. Step 6: Final answer
   x = 7,790.82