Finding the Fourth Proportional to 1,927.56, 2,659.43 and 1,181.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,927.56 : 2,659.43 = 1,181.15 : x
2. Step 2: Convert to fraction form
   1,927.56/2,659.43 = 1,181.15/x
3. Step 3: Cross multiply
   1,927.56x = 2,659.43 × 1,181.15
4. Step 4: Simplify right side
   1,927.56x = 3,141,185.74
5. Step 5: Solve for x
   x = 3,141,185.74/1,927.56
6. Step 6: Final answer
   x = 1,629.62