Finding the Fourth Proportional to 9,058, 12,499.86 and 5,079.46

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058 : 12,499.86 = 5,079.46 : x
2. Step 2: Convert to fraction form
   9,058/12,499.86 = 5,079.46/x
3. Step 3: Cross multiply
   9,058x = 12,499.86 × 5,079.46
4. Step 4: Simplify right side
   9,058x = 63,492,538.88
5. Step 5: Solve for x
   x = 63,492,538.88/9,058
6. Step 6: Final answer
   x = 7,009.55