Finding the Fourth Proportional to 2,063.12, 3,093.24 and 764.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.12 : 3,093.24 = 764.42 : x
2. Step 2: Convert to fraction form
   2,063.12/3,093.24 = 764.42/x
3. Step 3: Cross multiply
   2,063.12x = 3,093.24 × 764.42
4. Step 4: Simplify right side
   2,063.12x = 2,364,534.52
5. Step 5: Solve for x
   x = 2,364,534.52/2,063.12
6. Step 6: Final answer
   x = 1,146.10