Finding the Fourth Proportional to 22,077.82, 30,456.69 and 13,118.99

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.82 : 30,456.69 = 13,118.99 : x
2. Step 2: Convert to fraction form
   22,077.82/30,456.69 = 13,118.99/x
3. Step 3: Cross multiply
   22,077.82x = 30,456.69 × 13,118.99
4. Step 4: Simplify right side
   22,077.82x = 399,560,810.06
5. Step 5: Solve for x
   x = 399,560,810.06/22,077.82
6. Step 6: Final answer
   x = 18,097.84