Finding the Fourth Proportional to 10,453.17, 14,424.64 and 5,978.53

Step by Step Solution

1. Step 1: Write the proportion equation
   10,453.17 : 14,424.64 = 5,978.53 : x
2. Step 2: Convert to fraction form
   10,453.17/14,424.64 = 5,978.53/x
3. Step 3: Cross multiply
   10,453.17x = 14,424.64 × 5,978.53
4. Step 4: Simplify right side
   10,453.17x = 86,238,142.98
5. Step 5: Solve for x
   x = 86,238,142.98/10,453.17
6. Step 6: Final answer
   x = 8,249.95