Finding the Fourth Proportional to 1,051.05, 1,451.13 and 719.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,051.05 : 1,451.13 = 719.35 : x
2. Step 2: Convert to fraction form
   1,051.05/1,451.13 = 719.35/x
3. Step 3: Cross multiply
   1,051.05x = 1,451.13 × 719.35
4. Step 4: Simplify right side
   1,051.05x = 1,043,870.37
5. Step 5: Solve for x
   x = 1,043,870.37/1,051.05
6. Step 6: Final answer
   x = 993.17