Finding the Fourth Proportional to 22,147.58, 30,566.42 and 12,715.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,147.58 : 30,566.42 = 12,715.94 : x
2. Step 2: Convert to fraction form
   22,147.58/30,566.42 = 12,715.94/x
3. Step 3: Cross multiply
   22,147.58x = 30,566.42 × 12,715.94
4. Step 4: Simplify right side
   22,147.58x = 388,680,762.73
5. Step 5: Solve for x
   x = 388,680,762.73/22,147.58
6. Step 6: Final answer
   x = 17,549.58