Finding the Fourth Proportional to 22,465.82, 31,004.92 and 12,907.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,465.82 : 31,004.92 = 12,907.04 : x
2. Step 2: Convert to fraction form
   22,465.82/31,004.92 = 12,907.04/x
3. Step 3: Cross multiply
   22,465.82x = 31,004.92 × 12,907.04
4. Step 4: Simplify right side
   22,465.82x = 400,181,742.64
5. Step 5: Solve for x
   x = 400,181,742.64/22,465.82
6. Step 6: Final answer
   x = 17,812.92