Finding the Fourth Proportional to 10,847.33, 14,968.71 and 6,131.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,847.33 : 14,968.71 = 6,131.31 : x
2. Step 2: Convert to fraction form
   10,847.33/14,968.71 = 6,131.31/x
3. Step 3: Cross multiply
   10,847.33x = 14,968.71 × 6,131.31
4. Step 4: Simplify right side
   10,847.33x = 91,777,801.31
5. Step 5: Solve for x
   x = 91,777,801.31/10,847.33
6. Step 6: Final answer
   x = 8,460.87