Finding the Fourth Proportional to 22,386.31, 30,892.45 and 12,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,386.31 : 30,892.45 = 12,314.74 : x
2. Step 2: Convert to fraction form
   22,386.31/30,892.45 = 12,314.74/x
3. Step 3: Cross multiply
   22,386.31x = 30,892.45 × 12,314.74
4. Step 4: Simplify right side
   22,386.31x = 380,432,489.71
5. Step 5: Solve for x
   x = 380,432,489.71/22,386.31
6. Step 6: Final answer
   x = 16,993.98