Finding the Fourth Proportional to 9,803.57, 14,710.82 and 3,960.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,803.57 : 14,710.82 = 3,960.63 : x
2. Step 2: Convert to fraction form
   9,803.57/14,710.82 = 3,960.63/x
3. Step 3: Cross multiply
   9,803.57x = 14,710.82 × 3,960.63
4. Step 4: Simplify right side
   9,803.57x = 58,264,095.21
5. Step 5: Solve for x
   x = 58,264,095.21/9,803.57
6. Step 6: Final answer
   x = 5,943.15