Finding the Fourth Proportional to 22,104.36, 30,513.46 and 13,152.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,104.36 : 30,513.46 = 13,152.70 : x
2. Step 2: Convert to fraction form
   22,104.36/30,513.46 = 13,152.70/x
3. Step 3: Cross multiply
   22,104.36x = 30,513.46 × 13,152.70
4. Step 4: Simplify right side
   22,104.36x = 401,334,385.34
5. Step 5: Solve for x
   x = 401,334,385.34/22,104.36
6. Step 6: Final answer
   x = 18,156.34