Finding the Fourth Proportional to 22,818.74, 31,490.52 and 12,746.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,818.74 : 31,490.52 = 12,746.84 : x
2. Step 2: Convert to fraction form
   22,818.74/31,490.52 = 12,746.84/x
3. Step 3: Cross multiply
   22,818.74x = 31,490.52 × 12,746.84
4. Step 4: Simplify right side
   22,818.74x = 401,404,619.96
5. Step 5: Solve for x
   x = 401,404,619.96/22,818.74
6. Step 6: Final answer
   x = 17,591.01