Finding the Fourth Proportional to 22,849.42, 31,531.98 and 12,777.75

Step by Step Solution

1. Step 1: Write the proportion equation
   22,849.42 : 31,531.98 = 12,777.75 : x
2. Step 2: Convert to fraction form
   22,849.42/31,531.98 = 12,777.75/x
3. Step 3: Cross multiply
   22,849.42x = 31,531.98 × 12,777.75
4. Step 4: Simplify right side
   22,849.42x = 402,907,599.79
5. Step 5: Solve for x
   x = 402,907,599.79/22,849.42
6. Step 6: Final answer
   x = 17,633.17