Finding the Fourth Proportional to 22,091.01, 30,478.32 and 13,584.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,091.01 : 30,478.32 = 13,584.39 : x
2. Step 2: Convert to fraction form
   22,091.01/30,478.32 = 13,584.39/x
3. Step 3: Cross multiply
   22,091.01x = 30,478.32 × 13,584.39
4. Step 4: Simplify right side
   22,091.01x = 414,029,385.42
5. Step 5: Solve for x
   x = 414,029,385.42/22,091.01
6. Step 6: Final answer
   x = 18,741.99