Finding the Fourth Proportional to 1,508,385.50, 2,081,613.06 and 820,103.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,508,385.50 : 2,081,613.06 = 820,103.69 : x
2. Step 2: Convert to fraction form
   1,508,385.50/2,081,613.06 = 820,103.69/x
3. Step 3: Cross multiply
   1,508,385.50x = 2,081,613.06 × 820,103.69
4. Step 4: Simplify right side
   1,508,385.50x = 1,707,138,551,658.19
5. Step 5: Solve for x
   x = 1,707,138,551,658.19/1,508,385.50
6. Step 6: Final answer
   x = 1,131,765.42