Finding the Fourth Proportional to 55,128.34, 82,597.40 and 30,186.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,128.34 : 82,597.40 = 30,186.34 : x
2. Step 2: Convert to fraction form
   55,128.34/82,597.40 = 30,186.34/x
3. Step 3: Cross multiply
   55,128.34x = 82,597.40 × 30,186.34
4. Step 4: Simplify right side
   55,128.34x = 2,493,313,199.52
5. Step 5: Solve for x
   x = 2,493,313,199.52/55,128.34
6. Step 6: Final answer
   x = 45,227.43