Finding the Fourth Proportional to 10,971.62, 16,464.72 and 10,242.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,971.62 : 16,464.72 = 10,242.62 : x
2. Step 2: Convert to fraction form
   10,971.62/16,464.72 = 10,242.62/x
3. Step 3: Cross multiply
   10,971.62x = 16,464.72 × 10,242.62
4. Step 4: Simplify right side
   10,971.62x = 168,641,870.37
5. Step 5: Solve for x
   x = 168,641,870.37/10,971.62
6. Step 6: Final answer
   x = 15,370.74