Finding the Fourth Proportional to 1,560,820,374.88, 2,341,002,665.96 and 455,128,112.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,560,820,374.88 : 2,341,002,665.96 = 455,128,112.32 : x
2. Step 2: Convert to fraction form
   1,560,820,374.88/2,341,002,665.96 = 455,128,112.32/x
3. Step 3: Cross multiply
   1,560,820,374.88x = 2,341,002,665.96 × 455,128,112.32
4. Step 4: Simplify right side
   1,560,820,374.88x = 1,065,456,124,294,462,336
5. Step 5: Solve for x
   x = 1,065,456,124,294,462,336/1,560,820,374.88
6. Step 6: Final answer
   x = 682,625,714.94