Finding the Fourth Proportional to 10,378.72, 14,322.36 and 5,663.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,378.72 : 14,322.36 = 5,663.08 : x
2. Step 2: Convert to fraction form
   10,378.72/14,322.36 = 5,663.08/x
3. Step 3: Cross multiply
   10,378.72x = 14,322.36 × 5,663.08
4. Step 4: Simplify right side
   10,378.72x = 81,108,670.47
5. Step 5: Solve for x
   x = 81,108,670.47/10,378.72
6. Step 6: Final answer
   x = 7,814.90