Finding the Fourth Proportional to 1,066.52, 1,597.01 and 913.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,066.52 : 1,597.01 = 913.43 : x
2. Step 2: Convert to fraction form
   1,066.52/1,597.01 = 913.43/x
3. Step 3: Cross multiply
   1,066.52x = 1,597.01 × 913.43
4. Step 4: Simplify right side
   1,066.52x = 1,458,744.29
5. Step 5: Solve for x
   x = 1,458,744.29/1,066.52
6. Step 6: Final answer
   x = 1,367.77