Finding the Fourth Proportional to 22,369.96, 30,870.90 and 12,298.84

Step by Step Solution

1. Step 1: Write the proportion equation
   22,369.96 : 30,870.90 = 12,298.84 : x
2. Step 2: Convert to fraction form
   22,369.96/30,870.90 = 12,298.84/x
3. Step 3: Cross multiply
   22,369.96x = 30,870.90 × 12,298.84
4. Step 4: Simplify right side
   22,369.96x = 379,676,259.76
5. Step 5: Solve for x
   x = 379,676,259.76/22,369.96
6. Step 6: Final answer
   x = 16,972.59