Finding the Fourth Proportional to 9,212.98, 13,807.91 and 3,941.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,212.98 : 13,807.91 = 3,941.80 : x
2. Step 2: Convert to fraction form
   9,212.98/13,807.91 = 3,941.80/x
3. Step 3: Cross multiply
   9,212.98x = 13,807.91 × 3,941.80
4. Step 4: Simplify right side
   9,212.98x = 54,428,019.64
5. Step 5: Solve for x
   x = 54,428,019.64/9,212.98
6. Step 6: Final answer
   x = 5,907.75