Finding the Fourth Proportional to 606,739,162.50, 837,300,031.38 and 328,280,686.20

Step by Step Solution

1. Step 1: Write the proportion equation
   606,739,162.50 : 837,300,031.38 = 328,280,686.20 : x
2. Step 2: Convert to fraction form
   606,739,162.50/837,300,031.38 = 328,280,686.20/x
3. Step 3: Cross multiply
   606,739,162.50x = 837,300,031.38 × 328,280,686.20
4. Step 4: Simplify right side
   606,739,162.50x = 274,869,428,856,707,936
5. Step 5: Solve for x
   x = 274,869,428,856,707,936/606,739,162.50
6. Step 6: Final answer
   x = 453,027,339.99