Finding the Fourth Proportional to 46,665.66, 64,375.32 and 30,744.30

Step by Step Solution

1. Step 1: Write the proportion equation
   46,665.66 : 64,375.32 = 30,744.30 : x
2. Step 2: Convert to fraction form
   46,665.66/64,375.32 = 30,744.30/x
3. Step 3: Cross multiply
   46,665.66x = 64,375.32 × 30,744.30
4. Step 4: Simplify right side
   46,665.66x = 1,979,174,150.68
5. Step 5: Solve for x
   x = 1,979,174,150.68/46,665.66
6. Step 6: Final answer
   x = 42,411.79