Finding the Fourth Proportional to 9,760.42, 14,638.43 and 4,490.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.42 : 14,638.43 = 4,490.37 : x
2. Step 2: Convert to fraction form
   9,760.42/14,638.43 = 4,490.37/x
3. Step 3: Cross multiply
   9,760.42x = 14,638.43 × 4,490.37
4. Step 4: Simplify right side
   9,760.42x = 65,731,965.52
5. Step 5: Solve for x
   x = 65,731,965.52/9,760.42
6. Step 6: Final answer
   x = 6,734.55