Finding the Fourth Proportional to 2,800,173.38, 4,201,131.72 and 1,003,072.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,800,173.38 : 4,201,131.72 = 1,003,072.28 : x
2. Step 2: Convert to fraction form
   2,800,173.38/4,201,131.72 = 1,003,072.28/x
3. Step 3: Cross multiply
   2,800,173.38x = 4,201,131.72 × 1,003,072.28
4. Step 4: Simplify right side
   2,800,173.38x = 4,214,038,772,960.72
5. Step 5: Solve for x
   x = 4,214,038,772,960.72/2,800,173.38
6. Step 6: Final answer
   x = 1,504,920.66