Finding the Fourth Proportional to 1,455.57, 2,009.61 and 1,014.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.57 : 2,009.61 = 1,014.53 : x
2. Step 2: Convert to fraction form
   1,455.57/2,009.61 = 1,014.53/x
3. Step 3: Cross multiply
   1,455.57x = 2,009.61 × 1,014.53
4. Step 4: Simplify right side
   1,455.57x = 2,038,799.59
5. Step 5: Solve for x
   x = 2,038,799.59/1,455.57
6. Step 6: Final answer
   x = 1,400.69