Finding the Fourth Proportional to 9,650.56, 13,314.72 and 5,670.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,650.56 : 13,314.72 = 5,670.40 : x
2. Step 2: Convert to fraction form
   9,650.56/13,314.72 = 5,670.40/x
3. Step 3: Cross multiply
   9,650.56x = 13,314.72 × 5,670.40
4. Step 4: Simplify right side
   9,650.56x = 75,499,788.29
5. Step 5: Solve for x
   x = 75,499,788.29/9,650.56
6. Step 6: Final answer
   x = 7,823.36