Finding the Fourth Proportional to 1,068,649,933.34, 1,601,856,115.82 and 447,221,209.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068,649,933.34 : 1,601,856,115.82 = 447,221,209.78 : x
2. Step 2: Convert to fraction form
   1,068,649,933.34/1,601,856,115.82 = 447,221,209.78/x
3. Step 3: Cross multiply
   1,068,649,933.34x = 1,601,856,115.82 × 447,221,209.78
4. Step 4: Simplify right side
   1,068,649,933.34x = 716,384,030,010,512,128
5. Step 5: Solve for x
   x = 716,384,030,010,512,128/1,068,649,933.34
6. Step 6: Final answer
   x = 670,363,612.69