Finding the Fourth Proportional to 1,164.83, 1,610.01 and 1,023.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,164.83 : 1,610.01 = 1,023.89 : x
2. Step 2: Convert to fraction form
   1,164.83/1,610.01 = 1,023.89/x
3. Step 3: Cross multiply
   1,164.83x = 1,610.01 × 1,023.89
4. Step 4: Simplify right side
   1,164.83x = 1,648,473.14
5. Step 5: Solve for x
   x = 1,648,473.14/1,164.83
6. Step 6: Final answer
   x = 1,415.20