Finding the Fourth Proportional to 9,865, 14,803.98 and 3,709

Step by Step Solution

1. Step 1: Write the proportion equation
   9,865 : 14,803.98 = 3,709 : x
2. Step 2: Convert to fraction form
   9,865/14,803.98 = 3,709/x
3. Step 3: Cross multiply
   9,865x = 14,803.98 × 3,709
4. Step 4: Simplify right side
   9,865x = 54,907,961.82
5. Step 5: Solve for x
   x = 54,907,961.82/9,865
6. Step 6: Final answer
   x = 5,565.94