Finding the Fourth Proportional to 12,079.56, 18,118.71 and 5,058.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,079.56 : 18,118.71 = 5,058.06 : x
2. Step 2: Convert to fraction form
   12,079.56/18,118.71 = 5,058.06/x
3. Step 3: Cross multiply
   12,079.56x = 18,118.71 × 5,058.06
4. Step 4: Simplify right side
   12,079.56x = 91,645,522.30
5. Step 5: Solve for x
   x = 91,645,522.30/12,079.56
6. Step 6: Final answer
   x = 7,586.83