Finding the Fourth Proportional to 10,360.72, 14,297.80 and 5,645.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,360.72 : 14,297.80 = 5,645.00 : x
2. Step 2: Convert to fraction form
   10,360.72/14,297.80 = 5,645.00/x
3. Step 3: Cross multiply
   10,360.72x = 14,297.80 × 5,645.00
4. Step 4: Simplify right side
   10,360.72x = 80,711,121.42
5. Step 5: Solve for x
   x = 80,711,121.42/10,360.72
6. Step 6: Final answer
   x = 7,790.11