Finding the Fourth Proportional to 1,844.72, 2,543.76 and 1,181.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,844.72 : 2,543.76 = 1,181.60 : x
2. Step 2: Convert to fraction form
   1,844.72/2,543.76 = 1,181.60/x
3. Step 3: Cross multiply
   1,844.72x = 2,543.76 × 1,181.60
4. Step 4: Simplify right side
   1,844.72x = 3,005,706.82
5. Step 5: Solve for x
   x = 3,005,706.82/1,844.72
6. Step 6: Final answer
   x = 1,629.36