Finding the Fourth Proportional to 42,704.30, 64,081.41 and 30,846.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,704.30 : 64,081.41 = 30,846.38 : x
2. Step 2: Convert to fraction form
   42,704.30/64,081.41 = 30,846.38/x
3. Step 3: Cross multiply
   42,704.30x = 64,081.41 × 30,846.38
4. Step 4: Simplify right side
   42,704.30x = 1,976,679,523.80
5. Step 5: Solve for x
   x = 1,976,679,523.80/42,704.30
6. Step 6: Final answer
   x = 46,287.60