Finding the Fourth Proportional to 2,384.02, 3,573.38 and 921.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,384.02 : 3,573.38 = 921.96 : x
2. Step 2: Convert to fraction form
   2,384.02/3,573.38 = 921.96/x
3. Step 3: Cross multiply
   2,384.02x = 3,573.38 × 921.96
4. Step 4: Simplify right side
   2,384.02x = 3,294,513.42
5. Step 5: Solve for x
   x = 3,294,513.42/2,384.02
6. Step 6: Final answer
   x = 1,381.92