Finding the Fourth Proportional to 1,072,900.53, 1,479,986.83 and 669,792.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,072,900.53 : 1,479,986.83 = 669,792.69 : x
2. Step 2: Convert to fraction form
   1,072,900.53/1,479,986.83 = 669,792.69/x
3. Step 3: Cross multiply
   1,072,900.53x = 1,479,986.83 × 669,792.69
4. Step 4: Simplify right side
   1,072,900.53x = 991,284,360,030.27
5. Step 5: Solve for x
   x = 991,284,360,030.27/1,072,900.53
6. Step 6: Final answer
   x = 923,929.42