Finding the Fourth Proportional to 1,002,233.25, 1,503,320.72 and 371,133.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,233.25 : 1,503,320.72 = 371,133.09 : x
2. Step 2: Convert to fraction form
   1,002,233.25/1,503,320.72 = 371,133.09/x
3. Step 3: Cross multiply
   1,002,233.25x = 1,503,320.72 × 371,133.09
4. Step 4: Simplify right side
   1,002,233.25x = 557,932,062,218.96
5. Step 5: Solve for x
   x = 557,932,062,218.96/1,002,233.25
6. Step 6: Final answer
   x = 556,688.84