Finding the Fourth Proportional to 1,045.05, 1,566.71 and 524.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,045.05 : 1,566.71 = 524.42 : x
2. Step 2: Convert to fraction form
   1,045.05/1,566.71 = 524.42/x
3. Step 3: Cross multiply
   1,045.05x = 1,566.71 × 524.42
4. Step 4: Simplify right side
   1,045.05x = 821,614.06
5. Step 5: Solve for x
   x = 821,614.06/1,045.05
6. Step 6: Final answer
   x = 786.20