Finding the Fourth Proportional to 1,786.31, 2,459.15 and 1,536.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,786.31 : 2,459.15 = 1,536.62 : x
2. Step 2: Convert to fraction form
   1,786.31/2,459.15 = 1,536.62/x
3. Step 3: Cross multiply
   1,786.31x = 2,459.15 × 1,536.62
4. Step 4: Simplify right side
   1,786.31x = 3,778,759.09
5. Step 5: Solve for x
   x = 3,778,759.09/1,786.31
6. Step 6: Final answer
   x = 2,115.41