Finding the Fourth Proportional to 336,513.89, 504,661.61 and 111,813.98

Step by Step Solution

1. Step 1: Write the proportion equation
   336,513.89 : 504,661.61 = 111,813.98 : x
2. Step 2: Convert to fraction form
   336,513.89/504,661.61 = 111,813.98/x
3. Step 3: Cross multiply
   336,513.89x = 504,661.61 × 111,813.98
4. Step 4: Simplify right side
   336,513.89x = 56,428,220,084.93
5. Step 5: Solve for x
   x = 56,428,220,084.93/336,513.89
6. Step 6: Final answer
   x = 167,684.67