Finding the Fourth Proportional to 16,779.25, 23,154.56 and 9,705.83

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779.25 : 23,154.56 = 9,705.83 : x
2. Step 2: Convert to fraction form
   16,779.25/23,154.56 = 9,705.83/x
3. Step 3: Cross multiply
   16,779.25x = 23,154.56 × 9,705.83
4. Step 4: Simplify right side
   16,779.25x = 224,734,095.18
5. Step 5: Solve for x
   x = 224,734,095.18/16,779.25
6. Step 6: Final answer
   x = 13,393.57