Finding the Fourth Proportional to 1,962.04, 2,941.42 and 921.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,962.04 : 2,941.42 = 921.54 : x
2. Step 2: Convert to fraction form
   1,962.04/2,941.42 = 921.54/x
3. Step 3: Cross multiply
   1,962.04x = 2,941.42 × 921.54
4. Step 4: Simplify right side
   1,962.04x = 2,710,636.19
5. Step 5: Solve for x
   x = 2,710,636.19/1,962.04
6. Step 6: Final answer
   x = 1,381.54