Finding the Fourth Proportional to 22,560.15, 31,132.89 and 12,352.11

Step by Step Solution

1. Step 1: Write the proportion equation
   22,560.15 : 31,132.89 = 12,352.11 : x
2. Step 2: Convert to fraction form
   22,560.15/31,132.89 = 12,352.11/x
3. Step 3: Cross multiply
   22,560.15x = 31,132.89 × 12,352.11
4. Step 4: Simplify right side
   22,560.15x = 384,556,756.82
5. Step 5: Solve for x
   x = 384,556,756.82/22,560.15
6. Step 6: Final answer
   x = 17,045.84