Finding the Fourth Proportional to 22,310.31, 30,788.24 and 12,374.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,310.31 : 30,788.24 = 12,374.31 : x
2. Step 2: Convert to fraction form
   22,310.31/30,788.24 = 12,374.31/x
3. Step 3: Cross multiply
   22,310.31x = 30,788.24 × 12,374.31
4. Step 4: Simplify right side
   22,310.31x = 380,983,226.11
5. Step 5: Solve for x
   x = 380,983,226.11/22,310.31
6. Step 6: Final answer
   x = 17,076.55