Finding the Fourth Proportional to 336,386.82, 504,494.27 and 99,674.15

Step by Step Solution

1. Step 1: Write the proportion equation
   336,386.82 : 504,494.27 = 99,674.15 : x
2. Step 2: Convert to fraction form
   336,386.82/504,494.27 = 99,674.15/x
3. Step 3: Cross multiply
   336,386.82x = 504,494.27 × 99,674.15
4. Step 4: Simplify right side
   336,386.82x = 50,285,035,455.72
5. Step 5: Solve for x
   x = 50,285,035,455.72/336,386.82
6. Step 6: Final answer
   x = 149,485.75