Finding the Fourth Proportional to 22,097.54, 30,484.58 and 13,139.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,097.54 : 30,484.58 = 13,139.94 : x
2. Step 2: Convert to fraction form
   22,097.54/30,484.58 = 13,139.94/x
3. Step 3: Cross multiply
   22,097.54x = 30,484.58 × 13,139.94
4. Step 4: Simplify right side
   22,097.54x = 400,565,552.13
5. Step 5: Solve for x
   x = 400,565,552.13/22,097.54
6. Step 6: Final answer
   x = 18,127.16