Finding the Fourth Proportional to 9,058.60, 12,499.86 and 5,079.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.60 : 12,499.86 = 5,079.16 : x
2. Step 2: Convert to fraction form
   9,058.60/12,499.86 = 5,079.16/x
3. Step 3: Cross multiply
   9,058.60x = 12,499.86 × 5,079.16
4. Step 4: Simplify right side
   9,058.60x = 63,488,788.92
5. Step 5: Solve for x
   x = 63,488,788.92/9,058.60
6. Step 6: Final answer
   x = 7,008.68