Finding the Fourth Proportional to 22,001.91, 30,364.25 and 12,570.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,001.91 : 30,364.25 = 12,570.27 : x
2. Step 2: Convert to fraction form
   22,001.91/30,364.25 = 12,570.27/x
3. Step 3: Cross multiply
   22,001.91x = 30,364.25 × 12,570.27
4. Step 4: Simplify right side
   22,001.91x = 381,686,758.00
5. Step 5: Solve for x
   x = 381,686,758.00/22,001.91
6. Step 6: Final answer
   x = 17,347.89