Finding the Fourth Proportional to 10,705.02, 14,774.40 and 6,456.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,705.02 : 14,774.40 = 6,456.30 : x
2. Step 2: Convert to fraction form
   10,705.02/14,774.40 = 6,456.30/x
3. Step 3: Cross multiply
   10,705.02x = 14,774.40 × 6,456.30
4. Step 4: Simplify right side
   10,705.02x = 95,387,958.72
5. Step 5: Solve for x
   x = 95,387,958.72/10,705.02
6. Step 6: Final answer
   x = 8,910.58