Finding the Fourth Proportional to 10,662.18, 15,992.04 and 2,870.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,662.18 : 15,992.04 = 2,870.38 : x
2. Step 2: Convert to fraction form
   10,662.18/15,992.04 = 2,870.38/x
3. Step 3: Cross multiply
   10,662.18x = 15,992.04 × 2,870.38
4. Step 4: Simplify right side
   10,662.18x = 45,903,231.78
5. Step 5: Solve for x
   x = 45,903,231.78/10,662.18
6. Step 6: Final answer
   x = 4,305.24