Finding the Fourth Proportional to 1,932.72, 2,900.04 and 762.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,932.72 : 2,900.04 = 762.72 : x
2. Step 2: Convert to fraction form
   1,932.72/2,900.04 = 762.72/x
3. Step 3: Cross multiply
   1,932.72x = 2,900.04 × 762.72
4. Step 4: Simplify right side
   1,932.72x = 2,211,918.51
5. Step 5: Solve for x
   x = 2,211,918.51/1,932.72
6. Step 6: Final answer
   x = 1,144.46