Finding the Fourth Proportional to 2,187.32, 3,018.56 and 1,303.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.32 : 3,018.56 = 1,303.60 : x
2. Step 2: Convert to fraction form
   2,187.32/3,018.56 = 1,303.60/x
3. Step 3: Cross multiply
   2,187.32x = 3,018.56 × 1,303.60
4. Step 4: Simplify right side
   2,187.32x = 3,934,994.82
5. Step 5: Solve for x
   x = 3,934,994.82/2,187.32
6. Step 6: Final answer
   x = 1,799.00