Finding the Fourth Proportional to 1,074.71, 1,612.17 and 554.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,074.71 : 1,612.17 = 554.96 : x
2. Step 2: Convert to fraction form
   1,074.71/1,612.17 = 554.96/x
3. Step 3: Cross multiply
   1,074.71x = 1,612.17 × 554.96
4. Step 4: Simplify right side
   1,074.71x = 894,693.89
5. Step 5: Solve for x
   x = 894,693.89/1,074.71
6. Step 6: Final answer
   x = 832.50