Finding the Fourth Proportional to 309,620.67, 464,411.35 and 109,914.76

Step by Step Solution

1. Step 1: Write the proportion equation
   309,620.67 : 464,411.35 = 109,914.76 : x
2. Step 2: Convert to fraction form
   309,620.67/464,411.35 = 109,914.76/x
3. Step 3: Cross multiply
   309,620.67x = 464,411.35 × 109,914.76
4. Step 4: Simplify right side
   309,620.67x = 51,045,662,076.53
5. Step 5: Solve for x
   x = 51,045,662,076.53/309,620.67
6. Step 6: Final answer
   x = 164,865.16