Finding the Fourth Proportional to 2,780,620,350.72, 4,174,575,755.52 and 1,864,595,573.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,780,620,350.72 : 4,174,575,755.52 = 1,864,595,573.76 : x
2. Step 2: Convert to fraction form
   2,780,620,350.72/4,174,575,755.52 = 1,864,595,573.76/x
3. Step 3: Cross multiply
   2,780,620,350.72x = 4,174,575,755.52 × 1,864,595,573.76
4. Step 4: Simplify right side
   2,780,620,350.72x = 7,783,895,476,068,400,128
5. Step 5: Solve for x
   x = 7,783,895,476,068,400,128/2,780,620,350.72
6. Step 6: Final answer
   x = 2,799,337,735.57