Finding the Fourth Proportional to 1,069.94, 1,476.56 and 807.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.94 : 1,476.56 = 807.50 : x
2. Step 2: Convert to fraction form
   1,069.94/1,476.56 = 807.50/x
3. Step 3: Cross multiply
   1,069.94x = 1,476.56 × 807.50
4. Step 4: Simplify right side
   1,069.94x = 1,192,327.91
5. Step 5: Solve for x
   x = 1,192,327.91/1,069.94
6. Step 6: Final answer
   x = 1,114.39