Finding the Fourth Proportional to 12,361.56, 17,056.38 and 7,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,361.56 : 17,056.38 = 7,058.10 : x
2. Step 2: Convert to fraction form
   12,361.56/17,056.38 = 7,058.10/x
3. Step 3: Cross multiply
   12,361.56x = 17,056.38 × 7,058.10
4. Step 4: Simplify right side
   12,361.56x = 120,385,635.68
5. Step 5: Solve for x
   x = 120,385,635.68/12,361.56
6. Step 6: Final answer
   x = 9,738.71