Finding the Fourth Proportional to 1,221,066.26, 1,685,174.99 and 677,377.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,221,066.26 : 1,685,174.99 = 677,377.25 : x
2. Step 2: Convert to fraction form
   1,221,066.26/1,685,174.99 = 677,377.25/x
3. Step 3: Cross multiply
   1,221,066.26x = 1,685,174.99 × 677,377.25
4. Step 4: Simplify right side
   1,221,066.26x = 1,141,499,188,682.22
5. Step 5: Solve for x
   x = 1,141,499,188,682.22/1,221,066.26
6. Step 6: Final answer
   x = 934,838.04