Finding the Fourth Proportional to 12,732.41, 17,570.35 and 7,426.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,732.41 : 17,570.35 = 7,426.87 : x
2. Step 2: Convert to fraction form
   12,732.41/17,570.35 = 7,426.87/x
3. Step 3: Cross multiply
   12,732.41x = 17,570.35 × 7,426.87
4. Step 4: Simplify right side
   12,732.41x = 130,492,705.30
5. Step 5: Solve for x
   x = 130,492,705.30/12,732.41
6. Step 6: Final answer
   x = 10,248.86