Finding the Fourth Proportional to 12,630.47, 17,426.52 and 8,154.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,630.47 : 17,426.52 = 8,154.41 : x
2. Step 2: Convert to fraction form
   12,630.47/17,426.52 = 8,154.41/x
3. Step 3: Cross multiply
   12,630.47x = 17,426.52 × 8,154.41
4. Step 4: Simplify right side
   12,630.47x = 142,102,901.82
5. Step 5: Solve for x
   x = 142,102,901.82/12,630.47
6. Step 6: Final answer
   x = 11,250.81