Finding the Fourth Proportional to 1,870.03, 2,801.31 and 1,716.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,870.03 : 2,801.31 = 1,716.94 : x
2. Step 2: Convert to fraction form
   1,870.03/2,801.31 = 1,716.94/x
3. Step 3: Cross multiply
   1,870.03x = 2,801.31 × 1,716.94
4. Step 4: Simplify right side
   1,870.03x = 4,809,681.19
5. Step 5: Solve for x
   x = 4,809,681.19/1,870.03
6. Step 6: Final answer
   x = 2,571.98