Finding the Fourth Proportional to 86,644, 119,568.72 and 46,900

Step by Step Solution

1. Step 1: Write the proportion equation
   86,644 : 119,568.72 = 46,900 : x
2. Step 2: Convert to fraction form
   86,644/119,568.72 = 46,900/x
3. Step 3: Cross multiply
   86,644x = 119,568.72 × 46,900
4. Step 4: Simplify right side
   86,644x = 5,607,772,968
5. Step 5: Solve for x
   x = 5,607,772,968/86,644
6. Step 6: Final answer
   x = 64,722