Finding the Fourth Proportional to 1,199.75, 1,806.69 and 1,047.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,199.75 : 1,806.69 = 1,047.52 : x
2. Step 2: Convert to fraction form
   1,199.75/1,806.69 = 1,047.52/x
3. Step 3: Cross multiply
   1,199.75x = 1,806.69 × 1,047.52
4. Step 4: Simplify right side
   1,199.75x = 1,892,534.04
5. Step 5: Solve for x
   x = 1,892,534.04/1,199.75
6. Step 6: Final answer
   x = 1,577.45