Finding the Fourth Proportional to 1,050.65, 1,450.06 and 801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,050.65 : 1,450.06 = 801.50 : x
2. Step 2: Convert to fraction form
   1,050.65/1,450.06 = 801.50/x
3. Step 3: Cross multiply
   1,050.65x = 1,450.06 × 801.50
4. Step 4: Simplify right side
   1,050.65x = 1,162,219.47
5. Step 5: Solve for x
   x = 1,162,219.47/1,050.65
6. Step 6: Final answer
   x = 1,106.20