Finding the Fourth Proportional to 13,076.52, 18,047.12 and 7,771.33

Step by Step Solution

1. Step 1: Write the proportion equation
   13,076.52 : 18,047.12 = 7,771.33 : x
2. Step 2: Convert to fraction form
   13,076.52/18,047.12 = 7,771.33/x
3. Step 3: Cross multiply
   13,076.52x = 18,047.12 × 7,771.33
4. Step 4: Simplify right side
   13,076.52x = 140,250,125.07
5. Step 5: Solve for x
   x = 140,250,125.07/13,076.52
6. Step 6: Final answer
   x = 10,725.34