Finding the Fourth Proportional to 9,182.67, 12,672.31 and 5,406.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.67 : 12,672.31 = 5,406.03 : x
2. Step 2: Convert to fraction form
   9,182.67/12,672.31 = 5,406.03/x
3. Step 3: Cross multiply
   9,182.67x = 12,672.31 × 5,406.03
4. Step 4: Simplify right side
   9,182.67x = 68,506,888.03
5. Step 5: Solve for x
   x = 68,506,888.03/9,182.67
6. Step 6: Final answer
   x = 7,460.45