Finding the Fourth Proportional to 1,333,514.86, 1,840,236.15 and 721,654.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333,514.86 : 1,840,236.15 = 721,654.09 : x
2. Step 2: Convert to fraction form
   1,333,514.86/1,840,236.15 = 721,654.09/x
3. Step 3: Cross multiply
   1,333,514.86x = 1,840,236.15 × 721,654.09
4. Step 4: Simplify right side
   1,333,514.86x = 1,328,013,935,012.17
5. Step 5: Solve for x
   x = 1,328,013,935,012.17/1,333,514.86
6. Step 6: Final answer
   x = 995,874.87