Finding the Fourth Proportional to 9,482.40, 14,206.72 and 5,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,482.40 : 14,206.72 = 5,782.72 : x
2. Step 2: Convert to fraction form
   9,482.40/14,206.72 = 5,782.72/x
3. Step 3: Cross multiply
   9,482.40x = 14,206.72 × 5,782.72
4. Step 4: Simplify right side
   9,482.40x = 82,153,483.88
5. Step 5: Solve for x
   x = 82,153,483.88/9,482.40
6. Step 6: Final answer
   x = 8,663.79