Finding the Fourth Proportional to 1,348.02, 2,019.43 and 1,038.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,348.02 : 2,019.43 = 1,038.36 : x
2. Step 2: Convert to fraction form
   1,348.02/2,019.43 = 1,038.36/x
3. Step 3: Cross multiply
   1,348.02x = 2,019.43 × 1,038.36
4. Step 4: Simplify right side
   1,348.02x = 2,096,885.17
5. Step 5: Solve for x
   x = 2,096,885.17/1,348.02
6. Step 6: Final answer
   x = 1,555.53