Finding the Fourth Proportional to 899,298.72, 1,346,530.82 and 685,045.98

Step by Step Solution

1. Step 1: Write the proportion equation
   899,298.72 : 1,346,530.82 = 685,045.98 : x
2. Step 2: Convert to fraction form
   899,298.72/1,346,530.82 = 685,045.98/x
3. Step 3: Cross multiply
   899,298.72x = 1,346,530.82 × 685,045.98
4. Step 4: Simplify right side
   899,298.72x = 922,435,521,761.87
5. Step 5: Solve for x
   x = 922,435,521,761.87/899,298.72
6. Step 6: Final answer
   x = 1,025,727.60