Finding the Fourth Proportional to 1,404.03, 1,936.51 and 1,030.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.03 : 1,936.51 = 1,030.89 : x
2. Step 2: Convert to fraction form
   1,404.03/1,936.51 = 1,030.89/x
3. Step 3: Cross multiply
   1,404.03x = 1,936.51 × 1,030.89
4. Step 4: Simplify right side
   1,404.03x = 1,996,313.96
5. Step 5: Solve for x
   x = 1,996,313.96/1,404.03
6. Step 6: Final answer
   x = 1,421.85