Finding the Fourth Proportional to 2,463.21, 3,693.94 and 981.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,463.21 : 3,693.94 = 981.72 : x
2. Step 2: Convert to fraction form
   2,463.21/3,693.94 = 981.72/x
3. Step 3: Cross multiply
   2,463.21x = 3,693.94 × 981.72
4. Step 4: Simplify right side
   2,463.21x = 3,626,412.32
5. Step 5: Solve for x
   x = 3,626,412.32/2,463.21
6. Step 6: Final answer
   x = 1,472.23