Finding the Fourth Proportional to 22,439.35, 30,966.52 and 12,368.18

Step by Step Solution

1. Step 1: Write the proportion equation
   22,439.35 : 30,966.52 = 12,368.18 : x
2. Step 2: Convert to fraction form
   22,439.35/30,966.52 = 12,368.18/x
3. Step 3: Cross multiply
   22,439.35x = 30,966.52 × 12,368.18
4. Step 4: Simplify right side
   22,439.35x = 382,999,428.02
5. Step 5: Solve for x
   x = 382,999,428.02/22,439.35
6. Step 6: Final answer
   x = 17,068.20