Finding the Fourth Proportional to 22,829.61, 31,504.77 and 12,758.05

Step by Step Solution

1. Step 1: Write the proportion equation
   22,829.61 : 31,504.77 = 12,758.05 : x
2. Step 2: Convert to fraction form
   22,829.61/31,504.77 = 12,758.05/x
3. Step 3: Cross multiply
   22,829.61x = 31,504.77 × 12,758.05
4. Step 4: Simplify right side
   22,829.61x = 401,939,241.48
5. Step 5: Solve for x
   x = 401,939,241.48/22,829.61
6. Step 6: Final answer
   x = 17,606.05