Finding the Fourth Proportional to 14,305.56, 21,462.15 and 5,982.78

Step by Step Solution

1. Step 1: Write the proportion equation
   14,305.56 : 21,462.15 = 5,982.78 : x
2. Step 2: Convert to fraction form
   14,305.56/21,462.15 = 5,982.78/x
3. Step 3: Cross multiply
   14,305.56x = 21,462.15 × 5,982.78
4. Step 4: Simplify right side
   14,305.56x = 128,403,321.78
5. Step 5: Solve for x
   x = 128,403,321.78/14,305.56
6. Step 6: Final answer
   x = 8,975.76