Finding the Fourth Proportional to 10,665.35, 15,985.57 and 8,024.37

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.35 : 15,985.57 = 8,024.37 : x
2. Step 2: Convert to fraction form
   10,665.35/15,985.57 = 8,024.37/x
3. Step 3: Cross multiply
   10,665.35x = 15,985.57 × 8,024.37
4. Step 4: Simplify right side
   10,665.35x = 128,274,164.58
5. Step 5: Solve for x
   x = 128,274,164.58/10,665.35
6. Step 6: Final answer
   x = 12,027.19