Finding the Fourth Proportional to 16,702.02, 23,048.53 and 9,148.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,702.02 : 23,048.53 = 9,148.30 : x
2. Step 2: Convert to fraction form
   16,702.02/23,048.53 = 9,148.30/x
3. Step 3: Cross multiply
   16,702.02x = 23,048.53 × 9,148.30
4. Step 4: Simplify right side
   16,702.02x = 210,854,786.51
5. Step 5: Solve for x
   x = 210,854,786.51/16,702.02
6. Step 6: Final answer
   x = 12,624.51