Finding the Fourth Proportional to 9,182.61, 12,672.01 and 5,203.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,182.61 : 12,672.01 = 5,203.72 : x
2. Step 2: Convert to fraction form
   9,182.61/12,672.01 = 5,203.72/x
3. Step 3: Cross multiply
   9,182.61x = 12,672.01 × 5,203.72
4. Step 4: Simplify right side
   9,182.61x = 65,941,591.88
5. Step 5: Solve for x
   x = 65,941,591.88/9,182.61
6. Step 6: Final answer
   x = 7,181.14