Finding the Fourth Proportional to 9,760.47, 14,643.42 and 3,187.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.47 : 14,643.42 = 3,187.05 : x
2. Step 2: Convert to fraction form
   9,760.47/14,643.42 = 3,187.05/x
3. Step 3: Cross multiply
   9,760.47x = 14,643.42 × 3,187.05
4. Step 4: Simplify right side
   9,760.47x = 46,669,311.71
5. Step 5: Solve for x
   x = 46,669,311.71/9,760.47
6. Step 6: Final answer
   x = 4,781.46