Finding the Fourth Proportional to 2,188.05, 3,019.59 and 1,303.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,188.05 : 3,019.59 = 1,303.94 : x
2. Step 2: Convert to fraction form
   2,188.05/3,019.59 = 1,303.94/x
3. Step 3: Cross multiply
   2,188.05x = 3,019.59 × 1,303.94
4. Step 4: Simplify right side
   2,188.05x = 3,937,349.09
5. Step 5: Solve for x
   x = 3,937,349.09/2,188.05
6. Step 6: Final answer
   x = 1,799.48