Finding the Fourth Proportional to 9,782.71, 14,672.50 and 3,118.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,782.71 : 14,672.50 = 3,118.34 : x
2. Step 2: Convert to fraction form
   9,782.71/14,672.50 = 3,118.34/x
3. Step 3: Cross multiply
   9,782.71x = 14,672.50 × 3,118.34
4. Step 4: Simplify right side
   9,782.71x = 45,753,843.65
5. Step 5: Solve for x
   x = 45,753,843.65/9,782.71
6. Step 6: Final answer
   x = 4,677.01