Finding the Fourth Proportional to 2,039,031.12, 3,058,348.91 and 619,099.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039,031.12 : 3,058,348.91 = 619,099.50 : x
2. Step 2: Convert to fraction form
   2,039,031.12/3,058,348.91 = 619,099.50/x
3. Step 3: Cross multiply
   2,039,031.12x = 3,058,348.91 × 619,099.50
4. Step 4: Simplify right side
   2,039,031.12x = 1,893,422,277,911.05
5. Step 5: Solve for x
   x = 1,893,422,277,911.05/2,039,031.12
6. Step 6: Final answer
   x = 928,589.20