Finding the Fourth Proportional to 1,111.94, 1,533.96 and 719.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,111.94 : 1,533.96 = 719.09 : x
2. Step 2: Convert to fraction form
   1,111.94/1,533.96 = 719.09/x
3. Step 3: Cross multiply
   1,111.94x = 1,533.96 × 719.09
4. Step 4: Simplify right side
   1,111.94x = 1,103,047.63
5. Step 5: Solve for x
   x = 1,103,047.63/1,111.94
6. Step 6: Final answer
   x = 992.01