Finding the Fourth Proportional to 2,655.72, 3,983.60 and 924.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,655.72 : 3,983.60 = 924.34 : x
2. Step 2: Convert to fraction form
   2,655.72/3,983.60 = 924.34/x
3. Step 3: Cross multiply
   2,655.72x = 3,983.60 × 924.34
4. Step 4: Simplify right side
   2,655.72x = 3,682,200.82
5. Step 5: Solve for x
   x = 3,682,200.82/2,655.72
6. Step 6: Final answer
   x = 1,386.52