Finding the Fourth Proportional to 22,084.39, 30,476.58 and 13,130.15

Step by Step Solution

1. Step 1: Write the proportion equation
   22,084.39 : 30,476.58 = 13,130.15 : x
2. Step 2: Convert to fraction form
   22,084.39/30,476.58 = 13,130.15/x
3. Step 3: Cross multiply
   22,084.39x = 30,476.58 × 13,130.15
4. Step 4: Simplify right side
   22,084.39x = 400,161,914.50
5. Step 5: Solve for x
   x = 400,161,914.50/22,084.39
6. Step 6: Final answer
   x = 18,119.67