Finding the Fourth Proportional to 22,880.06, 31,573.76 and 12,809.53

Step by Step Solution

1. Step 1: Write the proportion equation
   22,880.06 : 31,573.76 = 12,809.53 : x
2. Step 2: Convert to fraction form
   22,880.06/31,573.76 = 12,809.53/x
3. Step 3: Cross multiply
   22,880.06x = 31,573.76 × 12,809.53
4. Step 4: Simplify right side
   22,880.06x = 404,445,025.93
5. Step 5: Solve for x
   x = 404,445,025.93/22,880.06
6. Step 6: Final answer
   x = 17,676.75