Finding the Fourth Proportional to 2,097,007.50, 3,145,519.46 and 638,068.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,097,007.50 : 3,145,519.46 = 638,068.51 : x
2. Step 2: Convert to fraction form
   2,097,007.50/3,145,519.46 = 638,068.51/x
3. Step 3: Cross multiply
   2,097,007.50x = 3,145,519.46 × 638,068.51
4. Step 4: Simplify right side
   2,097,007.50x = 2,007,056,915,018.20
5. Step 5: Solve for x
   x = 2,007,056,915,018.20/2,097,007.50
6. Step 6: Final answer
   x = 957,105.26