Finding the Fourth Proportional to 9,058.30, 12,500.42 and 5,079.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.30 : 12,500.42 = 5,079.42 : x
2. Step 2: Convert to fraction form
   9,058.30/12,500.42 = 5,079.42/x
3. Step 3: Cross multiply
   9,058.30x = 12,500.42 × 5,079.42
4. Step 4: Simplify right side
   9,058.30x = 63,494,883.36
5. Step 5: Solve for x
   x = 63,494,883.36/9,058.30
6. Step 6: Final answer
   x = 7,009.58