Finding the Fourth Proportional to 12,068.69, 16,637.34 and 8,472.70

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.69 : 16,637.34 = 8,472.70 : x
2. Step 2: Convert to fraction form
   12,068.69/16,637.34 = 8,472.70/x
3. Step 3: Cross multiply
   12,068.69x = 16,637.34 × 8,472.70
4. Step 4: Simplify right side
   12,068.69x = 140,963,149.02
5. Step 5: Solve for x
   x = 140,963,149.02/12,068.69
6. Step 6: Final answer
   x = 11,680.07