Finding the Fourth Proportional to 22,369.88, 30,870.82 and 12,298.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.88 : 30,870.82 = 12,298.74 : x
2. Step 2: Convert to fraction form
   22,369.88/30,870.82 = 12,298.74/x
3. Step 3: Cross multiply
   22,369.88x = 30,870.82 × 12,298.74
4. Step 4: Simplify right side
   22,369.88x = 379,672,188.77
5. Step 5: Solve for x
   x = 379,672,188.77/22,369.88
6. Step 6: Final answer
   x = 16,972.47