Finding the Fourth Proportional to 13,528.72, 18,673.32 and 7,941.52

Step by Step Solution

1. Step 1: Write the proportion equation
   13,528.72 : 18,673.32 = 7,941.52 : x
2. Step 2: Convert to fraction form
   13,528.72/18,673.32 = 7,941.52/x
3. Step 3: Cross multiply
   13,528.72x = 18,673.32 × 7,941.52
4. Step 4: Simplify right side
   13,528.72x = 148,294,544.25
5. Step 5: Solve for x
   x = 148,294,544.25/13,528.72
6. Step 6: Final answer
   x = 10,961.46