Finding the Fourth Proportional to 14,303.25, 21,441.51 and 5,978.07

Step by Step Solution

1. Step 1: Write the proportion equation
   14,303.25 : 21,441.51 = 5,978.07 : x
2. Step 2: Convert to fraction form
   14,303.25/21,441.51 = 5,978.07/x
3. Step 3: Cross multiply
   14,303.25x = 21,441.51 × 5,978.07
4. Step 4: Simplify right side
   14,303.25x = 128,178,847.69
5. Step 5: Solve for x
   x = 128,178,847.69/14,303.25
6. Step 6: Final answer
   x = 8,961.52