Finding the Fourth Proportional to 357,059.22, 492,741.72 and 204,100.72

Step by Step Solution

1. Step 1: Write the proportion equation
   357,059.22 : 492,741.72 = 204,100.72 : x
2. Step 2: Convert to fraction form
   357,059.22/492,741.72 = 204,100.72/x
3. Step 3: Cross multiply
   357,059.22x = 492,741.72 × 204,100.72
4. Step 4: Simplify right side
   357,059.22x = 100,568,939,826.04
5. Step 5: Solve for x
   x = 100,568,939,826.04/357,059.22
6. Step 6: Final answer
   x = 281,658.99