Finding the Fourth Proportional to 1,892.72, 2,611.98 and 1,146.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,892.72 : 2,611.98 = 1,146.56 : x
2. Step 2: Convert to fraction form
   1,892.72/2,611.98 = 1,146.56/x
3. Step 3: Cross multiply
   1,892.72x = 2,611.98 × 1,146.56
4. Step 4: Simplify right side
   1,892.72x = 2,994,778.73
5. Step 5: Solve for x
   x = 2,994,778.73/1,892.72
6. Step 6: Final answer
   x = 1,582.26