Finding the Fourth Proportional to 1,851.38, 2,773.93 and 1,617.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.38 : 2,773.93 = 1,617.69 : x
2. Step 2: Convert to fraction form
   1,851.38/2,773.93 = 1,617.69/x
3. Step 3: Cross multiply
   1,851.38x = 2,773.93 × 1,617.69
4. Step 4: Simplify right side
   1,851.38x = 4,487,358.82
5. Step 5: Solve for x
   x = 4,487,358.82/1,851.38
6. Step 6: Final answer
   x = 2,423.79