Finding the Fourth Proportional to 22,236.34, 30,686.94 and 12,164.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,236.34 : 30,686.94 = 12,164.18 : x
2. Step 2: Convert to fraction form
   22,236.34/30,686.94 = 12,164.18/x
3. Step 3: Cross multiply
   22,236.34x = 30,686.94 × 12,164.18
4. Step 4: Simplify right side
   22,236.34x = 373,281,461.81
5. Step 5: Solve for x
   x = 373,281,461.81/22,236.34
6. Step 6: Final answer
   x = 16,787.00