Finding the Fourth Proportional to 2,617.59, 3,927.23 and 1,231.06

Step by Step Solution

1. Step 1: Write the proportion equation
   2,617.59 : 3,927.23 = 1,231.06 : x
2. Step 2: Convert to fraction form
   2,617.59/3,927.23 = 1,231.06/x
3. Step 3: Cross multiply
   2,617.59x = 3,927.23 × 1,231.06
4. Step 4: Simplify right side
   2,617.59x = 4,834,669.74
5. Step 5: Solve for x
   x = 4,834,669.74/2,617.59
6. Step 6: Final answer
   x = 1,846.99