Finding the Fourth Proportional to 55,096.12, 82,645.74 and 13,543

Step by Step Solution

1. Step 1: Write the proportion equation
   55,096.12 : 82,645.74 = 13,543 : x
2. Step 2: Convert to fraction form
   55,096.12/82,645.74 = 13,543/x
3. Step 3: Cross multiply
   55,096.12x = 82,645.74 × 13,543
4. Step 4: Simplify right side
   55,096.12x = 1,119,271,256.82
5. Step 5: Solve for x
   x = 1,119,271,256.82/55,096.12
6. Step 6: Final answer
   x = 20,314.88