Finding the Fourth Proportional to 1,150,678.49, 1,726,086.89 and 351,966.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,678.49 : 1,726,086.89 = 351,966.94 : x
2. Step 2: Convert to fraction form
   1,150,678.49/1,726,086.89 = 351,966.94/x
3. Step 3: Cross multiply
   1,150,678.49x = 1,726,086.89 × 351,966.94
4. Step 4: Simplify right side
   1,150,678.49x = 607,525,517,412.12
5. Step 5: Solve for x
   x = 607,525,517,412.12/1,150,678.49
6. Step 6: Final answer
   x = 527,971.56