Finding the Fourth Proportional to 1,604,827.82, 2,214,689.15 and 869,805.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,827.82 : 2,214,689.15 = 869,805.59 : x
2. Step 2: Convert to fraction form
   1,604,827.82/2,214,689.15 = 869,805.59/x
3. Step 3: Cross multiply
   1,604,827.82x = 2,214,689.15 × 869,805.59
4. Step 4: Simplify right side
   1,604,827.82x = 1,926,348,993,883.42
5. Step 5: Solve for x
   x = 1,926,348,993,883.42/1,604,827.82
6. Step 6: Final answer
   x = 1,200,346.21