Finding the Fourth Proportional to 1,765,686.72, 2,648,554.20 and 503,514.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,765,686.72 : 2,648,554.20 = 503,514.12 : x
2. Step 2: Convert to fraction form
   1,765,686.72/2,648,554.20 = 503,514.12/x
3. Step 3: Cross multiply
   1,765,686.72x = 2,648,554.20 × 503,514.12
4. Step 4: Simplify right side
   1,765,686.72x = 1,333,584,437,285.30
5. Step 5: Solve for x
   x = 1,333,584,437,285.30/1,765,686.72
6. Step 6: Final answer
   x = 755,278.06