Finding the Fourth Proportional to 1,105.75, 1,526.61 and 713.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.75 : 1,526.61 = 713.47 : x
2. Step 2: Convert to fraction form
   1,105.75/1,526.61 = 713.47/x
3. Step 3: Cross multiply
   1,105.75x = 1,526.61 × 713.47
4. Step 4: Simplify right side
   1,105.75x = 1,089,190.44
5. Step 5: Solve for x
   x = 1,089,190.44/1,105.75
6. Step 6: Final answer
   x = 985.02