Finding the Fourth Proportional to 1,916.83, 2,645.46 and 1,170.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,916.83 : 2,645.46 = 1,170.62 : x
2. Step 2: Convert to fraction form
   1,916.83/2,645.46 = 1,170.62/x
3. Step 3: Cross multiply
   1,916.83x = 2,645.46 × 1,170.62
4. Step 4: Simplify right side
   1,916.83x = 3,096,839.96
5. Step 5: Solve for x
   x = 3,096,839.96/1,916.83
6. Step 6: Final answer
   x = 1,615.61