Finding the Fourth Proportional to 906,404.69, 1,358,382.27 and 345,133.01

Step by Step Solution

1. Step 1: Write the proportion equation
   906,404.69 : 1,358,382.27 = 345,133.01 : x
2. Step 2: Convert to fraction form
   906,404.69/1,358,382.27 = 345,133.01/x
3. Step 3: Cross multiply
   906,404.69x = 1,358,382.27 × 345,133.01
4. Step 4: Simplify right side
   906,404.69x = 468,822,554,783.82
5. Step 5: Solve for x
   x = 468,822,554,783.82/906,404.69
6. Step 6: Final answer
   x = 517,233.15