Finding the Fourth Proportional to 10,665.18, 15,998.58 and 2,874.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.18 : 15,998.58 = 2,874.06 : x
2. Step 2: Convert to fraction form
   10,665.18/15,998.58 = 2,874.06/x
3. Step 3: Cross multiply
   10,665.18x = 15,998.58 × 2,874.06
4. Step 4: Simplify right side
   10,665.18x = 45,980,878.83
5. Step 5: Solve for x
   x = 45,980,878.83/10,665.18
6. Step 6: Final answer
   x = 4,311.31