Finding the Fourth Proportional to 22,899.42, 31,601.37 and 12,827.98

Step by Step Solution

1. Step 1: Write the proportion equation
   22,899.42 : 31,601.37 = 12,827.98 : x
2. Step 2: Convert to fraction form
   22,899.42/31,601.37 = 12,827.98/x
3. Step 3: Cross multiply
   22,899.42x = 31,601.37 × 12,827.98
4. Step 4: Simplify right side
   22,899.42x = 405,381,742.33
5. Step 5: Solve for x
   x = 405,381,742.33/22,899.42
6. Step 6: Final answer
   x = 17,702.71