Finding the Fourth Proportional to 1,475,935,939.42, 2,215,435,766.55 and 855,363,647.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,475,935,939.42 : 2,215,435,766.55 = 855,363,647.50 : x
2. Step 2: Convert to fraction form
   1,475,935,939.42/2,215,435,766.55 = 855,363,647.50/x
3. Step 3: Cross multiply
   1,475,935,939.42x = 2,215,435,766.55 × 855,363,647.50
4. Step 4: Simplify right side
   1,475,935,939.42x = 1,895,003,218,078,166,528
5. Step 5: Solve for x
   x = 1,895,003,218,078,166,528/1,475,935,939.42
6. Step 6: Final answer
   x = 1,283,933,243.62