Finding the Fourth Proportional to 22,459.46, 30,995.47 and 12,902.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,459.46 : 30,995.47 = 12,902.34 : x
2. Step 2: Convert to fraction form
   22,459.46/30,995.47 = 12,902.34/x
3. Step 3: Cross multiply
   22,459.46x = 30,995.47 × 12,902.34
4. Step 4: Simplify right side
   22,459.46x = 399,914,092.40
5. Step 5: Solve for x
   x = 399,914,092.40/22,459.46
6. Step 6: Final answer
   x = 17,806.04