Finding the Fourth Proportional to 2,057,496.88, 3,085,117.72 and 637,158.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,057,496.88 : 3,085,117.72 = 637,158.64 : x
2. Step 2: Convert to fraction form
   2,057,496.88/3,085,117.72 = 637,158.64/x
3. Step 3: Cross multiply
   2,057,496.88x = 3,085,117.72 × 637,158.64
4. Step 4: Simplify right side
   2,057,496.88x = 1,965,709,410,715.10
5. Step 5: Solve for x
   x = 1,965,709,410,715.10/2,057,496.88
6. Step 6: Final answer
   x = 955,388.77