Finding the Fourth Proportional to 1,051.92, 1,451.37 and 719.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.92 : 1,451.37 = 719.82 : x
2. Step 2: Convert to fraction form
   1,051.92/1,451.37 = 719.82/x
3. Step 3: Cross multiply
   1,051.92x = 1,451.37 × 719.82
4. Step 4: Simplify right side
   1,051.92x = 1,044,725.15
5. Step 5: Solve for x
   x = 1,044,725.15/1,051.92
6. Step 6: Final answer
   x = 993.16