Finding the Fourth Proportional to 1,845.27, 2,545.83 and 1,216.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.27 : 2,545.83 = 1,216.98 : x
2. Step 2: Convert to fraction form
   1,845.27/2,545.83 = 1,216.98/x
3. Step 3: Cross multiply
   1,845.27x = 2,545.83 × 1,216.98
4. Step 4: Simplify right side
   1,845.27x = 3,098,224.19
5. Step 5: Solve for x
   x = 3,098,224.19/1,845.27
6. Step 6: Final answer
   x = 1,679.01