Finding the Fourth Proportional to 1,191.48, 1,775.54 and 1,152.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,191.48 : 1,775.54 = 1,152.34 : x
2. Step 2: Convert to fraction form
   1,191.48/1,775.54 = 1,152.34/x
3. Step 3: Cross multiply
   1,191.48x = 1,775.54 × 1,152.34
4. Step 4: Simplify right side
   1,191.48x = 2,046,025.76
5. Step 5: Solve for x
   x = 2,046,025.76/1,191.48
6. Step 6: Final answer
   x = 1,717.21