Finding the Fourth Proportional to 1,843.90, 2,543.50 and 1,180.51

Step by Step Solution

1. Step 1: Write the proportion equation
   1,843.90 : 2,543.50 = 1,180.51 : x
2. Step 2: Convert to fraction form
   1,843.90/2,543.50 = 1,180.51/x
3. Step 3: Cross multiply
   1,843.90x = 2,543.50 × 1,180.51
4. Step 4: Simplify right side
   1,843.90x = 3,002,627.19
5. Step 5: Solve for x
   x = 3,002,627.19/1,843.90
6. Step 6: Final answer
   x = 1,628.41