Finding the Fourth Proportional to 9,707.04, 14,562.72 and 2,781

Step by Step Solution

1. Step 1: Write the proportion equation
   9,707.04 : 14,562.72 = 2,781 : x
2. Step 2: Convert to fraction form
   9,707.04/14,562.72 = 2,781/x
3. Step 3: Cross multiply
   9,707.04x = 14,562.72 × 2,781
4. Step 4: Simplify right side
   9,707.04x = 40,498,924.32
5. Step 5: Solve for x
   x = 40,498,924.32/9,707.04
6. Step 6: Final answer
   x = 4,172.12