Finding the Fourth Proportional to 1,089.50, 1,503.25 and 736.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089.50 : 1,503.25 = 736.07 : x
2. Step 2: Convert to fraction form
   1,089.50/1,503.25 = 736.07/x
3. Step 3: Cross multiply
   1,089.50x = 1,503.25 × 736.07
4. Step 4: Simplify right side
   1,089.50x = 1,106,499.15
5. Step 5: Solve for x
   x = 1,106,499.15/1,089.50
6. Step 6: Final answer
   x = 1,015.61