Finding the Fourth Proportional to 2,040,279.49, 3,060,590.56 and 620,347.87

Step by Step Solution

1. Step 1: Write the proportion equation
   2,040,279.49 : 3,060,590.56 = 620,347.87 : x
2. Step 2: Convert to fraction form
   2,040,279.49/3,060,590.56 = 620,347.87/x
3. Step 3: Cross multiply
   2,040,279.49x = 3,060,590.56 × 620,347.87
4. Step 4: Simplify right side
   2,040,279.49x = 1,898,630,825,635.76
5. Step 5: Solve for x
   x = 1,898,630,825,635.76/2,040,279.49
6. Step 6: Final answer
   x = 930,573.89