Finding the Fourth Proportional to 2,007.05, 3,010.73 and 526.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.05 : 3,010.73 = 526.46 : x
2. Step 2: Convert to fraction form
   2,007.05/3,010.73 = 526.46/x
3. Step 3: Cross multiply
   2,007.05x = 3,010.73 × 526.46
4. Step 4: Simplify right side
   2,007.05x = 1,585,011.23
5. Step 5: Solve for x
   x = 1,585,011.23/2,007.05
6. Step 6: Final answer
   x = 789.72