Finding the Fourth Proportional to 22,002.98, 30,363.57 and 12,570.74

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.98 : 30,363.57 = 12,570.74 : x
2. Step 2: Convert to fraction form
   22,002.98/30,363.57 = 12,570.74/x
3. Step 3: Cross multiply
   22,002.98x = 30,363.57 × 12,570.74
4. Step 4: Simplify right side
   22,002.98x = 381,692,543.94
5. Step 5: Solve for x
   x = 381,692,543.94/22,002.98
6. Step 6: Final answer
   x = 17,347.31