Finding the Fourth Proportional to 1,360.46, 1,875.39 and 1,065.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.46 : 1,875.39 = 1,065.21 : x
2. Step 2: Convert to fraction form
   1,360.46/1,875.39 = 1,065.21/x
3. Step 3: Cross multiply
   1,360.46x = 1,875.39 × 1,065.21
4. Step 4: Simplify right side
   1,360.46x = 1,997,693.21
5. Step 5: Solve for x
   x = 1,997,693.21/1,360.46
6. Step 6: Final answer
   x = 1,468.40