Finding the Fourth Proportional to 1,845.39, 2,545.20 and 1,182.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,845.39 : 2,545.20 = 1,182.31 : x
2. Step 2: Convert to fraction form
   1,845.39/2,545.20 = 1,182.31/x
3. Step 3: Cross multiply
   1,845.39x = 2,545.20 × 1,182.31
4. Step 4: Simplify right side
   1,845.39x = 3,009,212.00
5. Step 5: Solve for x
   x = 3,009,212.00/1,845.39
6. Step 6: Final answer
   x = 1,630.66