Finding the Fourth Proportional to 12,895.18, 17,803.12 and 8,426.41

Step by Step Solution

1. Step 1: Write the proportion equation
   12,895.18 : 17,803.12 = 8,426.41 : x
2. Step 2: Convert to fraction form
   12,895.18/17,803.12 = 8,426.41/x
3. Step 3: Cross multiply
   12,895.18x = 17,803.12 × 8,426.41
4. Step 4: Simplify right side
   12,895.18x = 150,016,415.07
5. Step 5: Solve for x
   x = 150,016,415.07/12,895.18
6. Step 6: Final answer
   x = 11,633.52