Finding the Fourth Proportional to 1,833.30, 2,530.71 and 1,170.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,833.30 : 2,530.71 = 1,170.18 : x
2. Step 2: Convert to fraction form
   1,833.30/2,530.71 = 1,170.18/x
3. Step 3: Cross multiply
   1,833.30x = 2,530.71 × 1,170.18
4. Step 4: Simplify right side
   1,833.30x = 2,961,386.23
5. Step 5: Solve for x
   x = 2,961,386.23/1,833.30
6. Step 6: Final answer
   x = 1,615.33