Finding the Fourth Proportional to 51,404.64, 70,936.20 and 30,186.24

Step by Step Solution

1. Step 1: Write the proportion equation
   51,404.64 : 70,936.20 = 30,186.24 : x
2. Step 2: Convert to fraction form
   51,404.64/70,936.20 = 30,186.24/x
3. Step 3: Cross multiply
   51,404.64x = 70,936.20 × 30,186.24
4. Step 4: Simplify right side
   51,404.64x = 2,141,297,157.89
5. Step 5: Solve for x
   x = 2,141,297,157.89/51,404.64
6. Step 6: Final answer
   x = 41,655.72