Finding the Fourth Proportional to 9,764.56, 14,648.40 and 4,219.59

Step by Step Solution

1. Step 1: Write the proportion equation
   9,764.56 : 14,648.40 = 4,219.59 : x
2. Step 2: Convert to fraction form
   9,764.56/14,648.40 = 4,219.59/x
3. Step 3: Cross multiply
   9,764.56x = 14,648.40 × 4,219.59
4. Step 4: Simplify right side
   9,764.56x = 61,810,242.16
5. Step 5: Solve for x
   x = 61,810,242.16/9,764.56
6. Step 6: Final answer
   x = 6,330.06