Finding the Fourth Proportional to 22,152, 30,570.27 and 12,590.38

Step by Step Solution

1. Step 1: Write the proportion equation
   22,152 : 30,570.27 = 12,590.38 : x
2. Step 2: Convert to fraction form
   22,152/30,570.27 = 12,590.38/x
3. Step 3: Cross multiply
   22,152x = 30,570.27 × 12,590.38
4. Step 4: Simplify right side
   22,152x = 384,891,316.00
5. Step 5: Solve for x
   x = 384,891,316.00/22,152
6. Step 6: Final answer
   x = 17,375.01