Finding the Fourth Proportional to 1,145,574.72, 1,580,717.43 and 662,046.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,145,574.72 : 1,580,717.43 = 662,046.53 : x
2. Step 2: Convert to fraction form
   1,145,574.72/1,580,717.43 = 662,046.53/x
3. Step 3: Cross multiply
   1,145,574.72x = 1,580,717.43 × 662,046.53
4. Step 4: Simplify right side
   1,145,574.72x = 1,046,508,481,538.43
5. Step 5: Solve for x
   x = 1,046,508,481,538.43/1,145,574.72
6. Step 6: Final answer
   x = 913,522.67