Finding the Fourth Proportional to 1,071.51, 1,478.82 and 599.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,071.51 : 1,478.82 = 599.43 : x
2. Step 2: Convert to fraction form
   1,071.51/1,478.82 = 599.43/x
3. Step 3: Cross multiply
   1,071.51x = 1,478.82 × 599.43
4. Step 4: Simplify right side
   1,071.51x = 886,447.57
5. Step 5: Solve for x
   x = 886,447.57/1,071.51
6. Step 6: Final answer
   x = 827.29