Finding the Fourth Proportional to 1,851.50, 2,774.12 and 1,617.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,851.50 : 2,774.12 = 1,617.82 : x
2. Step 2: Convert to fraction form
   1,851.50/2,774.12 = 1,617.82/x
3. Step 3: Cross multiply
   1,851.50x = 2,774.12 × 1,617.82
4. Step 4: Simplify right side
   1,851.50x = 4,488,011.79
5. Step 5: Solve for x
   x = 4,488,011.79/1,851.50
6. Step 6: Final answer
   x = 2,423.98