Finding the Fourth Proportional to 22,002.76, 30,357.30 and 12,570.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.76 : 30,357.30 = 12,570.76 : x
2. Step 2: Convert to fraction form
   22,002.76/30,357.30 = 12,570.76/x
3. Step 3: Cross multiply
   22,002.76x = 30,357.30 × 12,570.76
4. Step 4: Simplify right side
   22,002.76x = 381,614,332.55
5. Step 5: Solve for x
   x = 381,614,332.55/22,002.76
6. Step 6: Final answer
   x = 17,343.93