Finding the Fourth Proportional to 1,860.33, 2,788.32 and 1,167.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,860.33 : 2,788.32 = 1,167.15 : x
2. Step 2: Convert to fraction form
   1,860.33/2,788.32 = 1,167.15/x
3. Step 3: Cross multiply
   1,860.33x = 2,788.32 × 1,167.15
4. Step 4: Simplify right side
   1,860.33x = 3,254,387.69
5. Step 5: Solve for x
   x = 3,254,387.69/1,860.33
6. Step 6: Final answer
   x = 1,749.36