Finding the Fourth Proportional to 22,421.10, 30,941.32 and 12,349.58

Step by Step Solution

1. Step 1: Write the proportion equation
   22,421.10 : 30,941.32 = 12,349.58 : x
2. Step 2: Convert to fraction form
   22,421.10/30,941.32 = 12,349.58/x
3. Step 3: Cross multiply
   22,421.10x = 30,941.32 × 12,349.58
4. Step 4: Simplify right side
   22,421.10x = 382,112,144.22
5. Step 5: Solve for x
   x = 382,112,144.22/22,421.10
6. Step 6: Final answer
   x = 17,042.53