Finding the Fourth Proportional to 1,350.16, 1,861.32 and 1,018.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,350.16 : 1,861.32 = 1,018.96 : x
2. Step 2: Convert to fraction form
   1,350.16/1,861.32 = 1,018.96/x
3. Step 3: Cross multiply
   1,350.16x = 1,861.32 × 1,018.96
4. Step 4: Simplify right side
   1,350.16x = 1,896,610.63
5. Step 5: Solve for x
   x = 1,896,610.63/1,350.16
6. Step 6: Final answer
   x = 1,404.73