Finding the Fourth Proportional to 1,711.58, 2,361.80 and 1,003.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,711.58 : 2,361.80 = 1,003.50 : x
2. Step 2: Convert to fraction form
   1,711.58/2,361.80 = 1,003.50/x
3. Step 3: Cross multiply
   1,711.58x = 2,361.80 × 1,003.50
4. Step 4: Simplify right side
   1,711.58x = 2,370,066.30
5. Step 5: Solve for x
   x = 2,370,066.30/1,711.58
6. Step 6: Final answer
   x = 1,384.72