Finding the Fourth Proportional to 2,114.96, 3,172.43 and 554.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,114.96 : 3,172.43 = 554.83 : x
2. Step 2: Convert to fraction form
   2,114.96/3,172.43 = 554.83/x
3. Step 3: Cross multiply
   2,114.96x = 3,172.43 × 554.83
4. Step 4: Simplify right side
   2,114.96x = 1,760,152.79
5. Step 5: Solve for x
   x = 1,760,152.79/2,114.96
6. Step 6: Final answer
   x = 832.24