Finding the Fourth Proportional to 336,517.89, 504,667.60 and 111,817.98

Step by Step Solution

1. Step 1: Write the proportion equation
   336,517.89 : 504,667.60 = 111,817.98 : x
2. Step 2: Convert to fraction form
   336,517.89/504,667.60 = 111,817.98/x
3. Step 3: Cross multiply
   336,517.89x = 504,667.60 × 111,817.98
4. Step 4: Simplify right side
   336,517.89x = 56,430,911,603.45
5. Step 5: Solve for x
   x = 56,430,911,603.45/336,517.89
6. Step 6: Final answer
   x = 167,690.67