Finding the Fourth Proportional to 1,188.82, 1,775.98 and 1,145.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,188.82 : 1,775.98 = 1,145.62 : x
2. Step 2: Convert to fraction form
   1,188.82/1,775.98 = 1,145.62/x
3. Step 3: Cross multiply
   1,188.82x = 1,775.98 × 1,145.62
4. Step 4: Simplify right side
   1,188.82x = 2,034,592.48
5. Step 5: Solve for x
   x = 2,034,592.48/1,188.82
6. Step 6: Final answer
   x = 1,711.44