Finding the Fourth Proportional to 204,923, 282,795.90 and 115,499

Step by Step Solution

1. Step 1: Write the proportion equation
   204,923 : 282,795.90 = 115,499 : x
2. Step 2: Convert to fraction form
   204,923/282,795.90 = 115,499/x
3. Step 3: Cross multiply
   204,923x = 282,795.90 × 115,499
4. Step 4: Simplify right side
   204,923x = 32,662,643,654.10
5. Step 5: Solve for x
   x = 32,662,643,654.10/204,923
6. Step 6: Final answer
   x = 159,389.84