Finding the Fourth Proportional to 357,066.24, 492,742.67 and 199,900.23

Step by Step Solution

1. Step 1: Write the proportion equation
   357,066.24 : 492,742.67 = 199,900.23 : x
2. Step 2: Convert to fraction form
   357,066.24/492,742.67 = 199,900.23/x
3. Step 3: Cross multiply
   357,066.24x = 492,742.67 × 199,900.23
4. Step 4: Simplify right side
   357,066.24x = 98,499,373,063.81
5. Step 5: Solve for x
   x = 98,499,373,063.81/357,066.24
6. Step 6: Final answer
   x = 275,857.42