Finding the Fourth Proportional to 16,710, 23,059.85 and 9,258

Step by Step Solution

1. Step 1: Write the proportion equation
   16,710 : 23,059.85 = 9,258 : x
2. Step 2: Convert to fraction form
   16,710/23,059.85 = 9,258/x
3. Step 3: Cross multiply
   16,710x = 23,059.85 × 9,258
4. Step 4: Simplify right side
   16,710x = 213,488,045.01
5. Step 5: Solve for x
   x = 213,488,045.01/16,710
6. Step 6: Final answer
   x = 12,776.06