Finding the Fourth Proportional to 46,443.48, 64,118.57 and 30,574.06

Step by Step Solution

1. Step 1: Write the proportion equation
   46,443.48 : 64,118.57 = 30,574.06 : x
2. Step 2: Convert to fraction form
   46,443.48/64,118.57 = 30,574.06/x
3. Step 3: Cross multiply
   46,443.48x = 64,118.57 × 30,574.06
4. Step 4: Simplify right side
   46,443.48x = 1,960,364,693.13
5. Step 5: Solve for x
   x = 1,960,364,693.13/46,443.48
6. Step 6: Final answer
   x = 42,209.69