Finding the Fourth Proportional to 22,077.70, 30,456.51 and 13,118.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,077.70 : 30,456.51 = 13,118.86 : x
2. Step 2: Convert to fraction form
   22,077.70/30,456.51 = 13,118.86/x
3. Step 3: Cross multiply
   22,077.70x = 30,456.51 × 13,118.86
4. Step 4: Simplify right side
   22,077.70x = 399,554,690.78
5. Step 5: Solve for x
   x = 399,554,690.78/22,077.70
6. Step 6: Final answer
   x = 18,097.66