Finding the Fourth Proportional to 1,691.81, 2,535.55 and 1,471.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,691.81 : 2,535.55 = 1,471.52 : x
2. Step 2: Convert to fraction form
   1,691.81/2,535.55 = 1,471.52/x
3. Step 3: Cross multiply
   1,691.81x = 2,535.55 × 1,471.52
4. Step 4: Simplify right side
   1,691.81x = 3,731,112.54
5. Step 5: Solve for x
   x = 3,731,112.54/1,691.81
6. Step 6: Final answer
   x = 2,205.40