Finding the Fourth Proportional to 12,526.69, 17,298.54 and 8,058.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,526.69 : 17,298.54 = 8,058.20 : x
2. Step 2: Convert to fraction form
   12,526.69/17,298.54 = 8,058.20/x
3. Step 3: Cross multiply
   12,526.69x = 17,298.54 × 8,058.20
4. Step 4: Simplify right side
   12,526.69x = 139,395,095.03
5. Step 5: Solve for x
   x = 139,395,095.03/12,526.69
6. Step 6: Final answer
   x = 11,127.85