Finding the Fourth Proportional to 367,821, 548,512.71 and 364,457.82

Step by Step Solution

1. Step 1: Write the proportion equation
   367,821 : 548,512.71 = 364,457.82 : x
2. Step 2: Convert to fraction form
   367,821/548,512.71 = 364,457.82/x
3. Step 3: Cross multiply
   367,821x = 548,512.71 × 364,457.82
4. Step 4: Simplify right side
   367,821x = 199,909,746,528.89
5. Step 5: Solve for x
   x = 199,909,746,528.89/367,821
6. Step 6: Final answer
   x = 543,497.37