Finding the Fourth Proportional to 9,810.38, 14,715.68 and 3,965.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,810.38 : 14,715.68 = 3,965.63 : x
2. Step 2: Convert to fraction form
   9,810.38/14,715.68 = 3,965.63/x
3. Step 3: Cross multiply
   9,810.38x = 14,715.68 × 3,965.63
4. Step 4: Simplify right side
   9,810.38x = 58,356,848.67
5. Step 5: Solve for x
   x = 58,356,848.67/9,810.38
6. Step 6: Final answer
   x = 5,948.48