Finding the Fourth Proportional to 9,761.40, 14,631.60 and 4,217.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,761.40 : 14,631.60 = 4,217.37 : x
2. Step 2: Convert to fraction form
   9,761.40/14,631.60 = 4,217.37/x
3. Step 3: Cross multiply
   9,761.40x = 14,631.60 × 4,217.37
4. Step 4: Simplify right side
   9,761.40x = 61,706,870.89
5. Step 5: Solve for x
   x = 61,706,870.89/9,761.40
6. Step 6: Final answer
   x = 6,321.52