Finding the Fourth Proportional to 1,162,692.69, 1,604,648.79 and 646,498.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162,692.69 : 1,604,648.79 = 646,498.05 : x
2. Step 2: Convert to fraction form
   1,162,692.69/1,604,648.79 = 646,498.05/x
3. Step 3: Cross multiply
   1,162,692.69x = 1,604,648.79 × 646,498.05
4. Step 4: Simplify right side
   1,162,692.69x = 1,037,402,313,669.86
5. Step 5: Solve for x
   x = 1,037,402,313,669.86/1,162,692.69
6. Step 6: Final answer
   x = 892,241.19