Finding the Fourth Proportional to 42,954.88, 64,083.58 and 40,629.83

Step by Step Solution

1. Step 1: Write the proportion equation
   42,954.88 : 64,083.58 = 40,629.83 : x
2. Step 2: Convert to fraction form
   42,954.88/64,083.58 = 40,629.83/x
3. Step 3: Cross multiply
   42,954.88x = 64,083.58 × 40,629.83
4. Step 4: Simplify right side
   42,954.88x = 2,603,704,833.71
5. Step 5: Solve for x
   x = 2,603,704,833.71/42,954.88
6. Step 6: Final answer
   x = 60,614.88