Finding the Fourth Proportional to 1,269,837.86, 1,752,336.72 and 696,863.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,269,837.86 : 1,752,336.72 = 696,863.30 : x
2. Step 2: Convert to fraction form
   1,269,837.86/1,752,336.72 = 696,863.30/x
3. Step 3: Cross multiply
   1,269,837.86x = 1,752,336.72 × 696,863.30
4. Step 4: Simplify right side
   1,269,837.86x = 1,221,139,149,410.38
5. Step 5: Solve for x
   x = 1,221,139,149,410.38/1,269,837.86
6. Step 6: Final answer
   x = 961,649.66