Finding the Fourth Proportional to 9,112.37, 13,644.90 and 7,804.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,112.37 : 13,644.90 = 7,804.52 : x
2. Step 2: Convert to fraction form
   9,112.37/13,644.90 = 7,804.52/x
3. Step 3: Cross multiply
   9,112.37x = 13,644.90 × 7,804.52
4. Step 4: Simplify right side
   9,112.37x = 106,491,946.43
5. Step 5: Solve for x
   x = 106,491,946.43/9,112.37
6. Step 6: Final answer
   x = 11,686.53