Finding the Fourth Proportional to 2,632.02, 3,946.49 and 1,072.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,632.02 : 3,946.49 = 1,072.07 : x
2. Step 2: Convert to fraction form
   2,632.02/3,946.49 = 1,072.07/x
3. Step 3: Cross multiply
   2,632.02x = 3,946.49 × 1,072.07
4. Step 4: Simplify right side
   2,632.02x = 4,230,913.53
5. Step 5: Solve for x
   x = 4,230,913.53/2,632.02
6. Step 6: Final answer
   x = 1,607.48