Finding the Fourth Proportional to 2,187.07, 3,018.17 and 1,303.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.07 : 3,018.17 = 1,303.32 : x
2. Step 2: Convert to fraction form
   2,187.07/3,018.17 = 1,303.32/x
3. Step 3: Cross multiply
   2,187.07x = 3,018.17 × 1,303.32
4. Step 4: Simplify right side
   2,187.07x = 3,933,641.32
5. Step 5: Solve for x
   x = 3,933,641.32/2,187.07
6. Step 6: Final answer
   x = 1,798.59