Finding the Fourth Proportional to 1,517.61, 2,096.78 and 1,145.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,517.61 : 2,096.78 = 1,145.82 : x
2. Step 2: Convert to fraction form
   1,517.61/2,096.78 = 1,145.82/x
3. Step 3: Cross multiply
   1,517.61x = 2,096.78 × 1,145.82
4. Step 4: Simplify right side
   1,517.61x = 2,402,526.73
5. Step 5: Solve for x
   x = 2,402,526.73/1,517.61
6. Step 6: Final answer
   x = 1,583.10