Finding the Fourth Proportional to 13,271.82, 19,911.82 and 7,432.56

Step by Step Solution

1. Step 1: Write the proportion equation
   13,271.82 : 19,911.82 = 7,432.56 : x
2. Step 2: Convert to fraction form
   13,271.82/19,911.82 = 7,432.56/x
3. Step 3: Cross multiply
   13,271.82x = 19,911.82 × 7,432.56
4. Step 4: Simplify right side
   13,271.82x = 147,995,796.86
5. Step 5: Solve for x
   x = 147,995,796.86/13,271.82
6. Step 6: Final answer
   x = 11,151.13