Finding the Fourth Proportional to 22,851.30, 31,535.49 and 12,779.46

Step by Step Solution

1. Step 1: Write the proportion equation
   22,851.30 : 31,535.49 = 12,779.46 : x
2. Step 2: Convert to fraction form
   22,851.30/31,535.49 = 12,779.46/x
3. Step 3: Cross multiply
   22,851.30x = 31,535.49 × 12,779.46
4. Step 4: Simplify right side
   22,851.30x = 403,006,533.04
5. Step 5: Solve for x
   x = 403,006,533.04/22,851.30
6. Step 6: Final answer
   x = 17,636.04