Finding the Fourth Proportional to 1,938.48, 2,672.01 and 1,485.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,938.48 : 2,672.01 = 1,485.29 : x
2. Step 2: Convert to fraction form
   1,938.48/2,672.01 = 1,485.29/x
3. Step 3: Cross multiply
   1,938.48x = 2,672.01 × 1,485.29
4. Step 4: Simplify right side
   1,938.48x = 3,968,696.37
5. Step 5: Solve for x
   x = 3,968,696.37/1,938.48
6. Step 6: Final answer
   x = 2,047.32