Finding the Fourth Proportional to 1,002,645.36, 1,503,057.71 and 371,116.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,645.36 : 1,503,057.71 = 371,116.32 : x
2. Step 2: Convert to fraction form
   1,002,645.36/1,503,057.71 = 371,116.32/x
3. Step 3: Cross multiply
   1,002,645.36x = 1,503,057.71 × 371,116.32
4. Step 4: Simplify right side
   1,002,645.36x = 557,809,244,227.25
5. Step 5: Solve for x
   x = 557,809,244,227.25/1,002,645.36
6. Step 6: Final answer
   x = 556,337.53