Finding the Fourth Proportional to 2,134,229.70, 3,200,250.15 and 638,127.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,134,229.70 : 3,200,250.15 = 638,127.30 : x
2. Step 2: Convert to fraction form
   2,134,229.70/3,200,250.15 = 638,127.30/x
3. Step 3: Cross multiply
   2,134,229.70x = 3,200,250.15 × 638,127.30
4. Step 4: Simplify right side
   2,134,229.70x = 2,042,166,987,544.10
5. Step 5: Solve for x
   x = 2,042,166,987,544.10/2,134,229.70
6. Step 6: Final answer
   x = 956,863.73