Finding the Fourth Proportional to 9,871.50, 14,809.59 and 2,946.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.50 : 14,809.59 = 2,946.18 : x
2. Step 2: Convert to fraction form
   9,871.50/14,809.59 = 2,946.18/x
3. Step 3: Cross multiply
   9,871.50x = 14,809.59 × 2,946.18
4. Step 4: Simplify right side
   9,871.50x = 43,631,717.87
5. Step 5: Solve for x
   x = 43,631,717.87/9,871.50
6. Step 6: Final answer
   x = 4,419.97