Finding the Fourth Proportional to 22,741.04, 31,383.72 and 12,670.16

Step by Step Solution

1. Step 1: Write the proportion equation
   22,741.04 : 31,383.72 = 12,670.16 : x
2. Step 2: Convert to fraction form
   22,741.04/31,383.72 = 12,670.16/x
3. Step 3: Cross multiply
   22,741.04x = 31,383.72 × 12,670.16
4. Step 4: Simplify right side
   22,741.04x = 397,636,753.80
5. Step 5: Solve for x
   x = 397,636,753.80/22,741.04
6. Step 6: Final answer
   x = 17,485.43