Finding the Fourth Proportional to 1,711.67, 2,554.06 and 1,607.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.67 : 2,554.06 = 1,607.18 : x
2. Step 2: Convert to fraction form
   1,711.67/2,554.06 = 1,607.18/x
3. Step 3: Cross multiply
   1,711.67x = 2,554.06 × 1,607.18
4. Step 4: Simplify right side
   1,711.67x = 4,104,834.15
5. Step 5: Solve for x
   x = 4,104,834.15/1,711.67
6. Step 6: Final answer
   x = 2,398.15