Finding the Fourth Proportional to 9,760.43, 14,648.85 and 4,218.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.43 : 14,648.85 = 4,218.01 : x
2. Step 2: Convert to fraction form
   9,760.43/14,648.85 = 4,218.01/x
3. Step 3: Cross multiply
   9,760.43x = 14,648.85 × 4,218.01
4. Step 4: Simplify right side
   9,760.43x = 61,788,959.17
5. Step 5: Solve for x
   x = 61,788,959.17/9,760.43
6. Step 6: Final answer
   x = 6,330.56