Finding the Fourth Proportional to 1,360.38, 1,875.51 and 1,081.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,360.38 : 1,875.51 = 1,081.53 : x
2. Step 2: Convert to fraction form
   1,360.38/1,875.51 = 1,081.53/x
3. Step 3: Cross multiply
   1,360.38x = 1,875.51 × 1,081.53
4. Step 4: Simplify right side
   1,360.38x = 2,028,420.33
5. Step 5: Solve for x
   x = 2,028,420.33/1,360.38
6. Step 6: Final answer
   x = 1,491.07