Finding the Fourth Proportional to 15,978.24, 22,053.60 and 10,379.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,978.24 : 22,053.60 = 10,379.52 : x
2. Step 2: Convert to fraction form
   15,978.24/22,053.60 = 10,379.52/x
3. Step 3: Cross multiply
   15,978.24x = 22,053.60 × 10,379.52
4. Step 4: Simplify right side
   15,978.24x = 228,905,782.27
5. Step 5: Solve for x
   x = 228,905,782.27/15,978.24
6. Step 6: Final answer
   x = 14,326.09