Finding the Fourth Proportional to 42,841.46, 64,273.28 and 25,087.12

Step by Step Solution

1. Step 1: Write the proportion equation
   42,841.46 : 64,273.28 = 25,087.12 : x
2. Step 2: Convert to fraction form
   42,841.46/64,273.28 = 25,087.12/x
3. Step 3: Cross multiply
   42,841.46x = 64,273.28 × 25,087.12
4. Step 4: Simplify right side
   42,841.46x = 1,612,431,704.69
5. Step 5: Solve for x
   x = 1,612,431,704.69/42,841.46
6. Step 6: Final answer
   x = 37,637.18