Finding the Fourth Proportional to 22,310.50, 30,788.85 and 12,374.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,310.50 : 30,788.85 = 12,374.50 : x
2. Step 2: Convert to fraction form
   22,310.50/30,788.85 = 12,374.50/x
3. Step 3: Cross multiply
   22,310.50x = 30,788.85 × 12,374.50
4. Step 4: Simplify right side
   22,310.50x = 380,996,624.33
5. Step 5: Solve for x
   x = 380,996,624.33/22,310.50
6. Step 6: Final answer
   x = 17,077.01