Finding the Fourth Proportional to 22,949.63, 31,670.18 and 12,878.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,949.63 : 31,670.18 = 12,878.27 : x
2. Step 2: Convert to fraction form
   22,949.63/31,670.18 = 12,878.27/x
3. Step 3: Cross multiply
   22,949.63x = 31,670.18 × 12,878.27
4. Step 4: Simplify right side
   22,949.63x = 407,856,970.64
5. Step 5: Solve for x
   x = 407,856,970.64/22,949.63
6. Step 6: Final answer
   x = 17,771.84