Finding the Fourth Proportional to 22,022.82, 30,381.57 and 13,070.70

Step by Step Solution

1. Step 1: Write the proportion equation
   22,022.82 : 30,381.57 = 13,070.70 : x
2. Step 2: Convert to fraction form
   22,022.82/30,381.57 = 13,070.70/x
3. Step 3: Cross multiply
   22,022.82x = 30,381.57 × 13,070.70
4. Step 4: Simplify right side
   22,022.82x = 397,108,387.00
5. Step 5: Solve for x
   x = 397,108,387.00/22,022.82
6. Step 6: Final answer
   x = 18,031.68