Finding the Fourth Proportional to 1,404.81, 2,101.46 and 1,171.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.81 : 2,101.46 = 1,171.53 : x
2. Step 2: Convert to fraction form
   1,404.81/2,101.46 = 1,171.53/x
3. Step 3: Cross multiply
   1,404.81x = 2,101.46 × 1,171.53
4. Step 4: Simplify right side
   1,404.81x = 2,461,917.58
5. Step 5: Solve for x
   x = 2,461,917.58/1,404.81
6. Step 6: Final answer
   x = 1,752.49