Finding the Fourth Proportional to 9,212.18, 13,816.18 and 2,971

Step by Step Solution

1. Step 1: Write the proportion equation
   9,212.18 : 13,816.18 = 2,971 : x
2. Step 2: Convert to fraction form
   9,212.18/13,816.18 = 2,971/x
3. Step 3: Cross multiply
   9,212.18x = 13,816.18 × 2,971
4. Step 4: Simplify right side
   9,212.18x = 41,047,870.78
5. Step 5: Solve for x
   x = 41,047,870.78/9,212.18
6. Step 6: Final answer
   x = 4,455.83