Finding the Fourth Proportional to 1,593,820,648.56, 2,199,480,134.31 and 879,356,165.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,593,820,648.56 : 2,199,480,134.31 = 879,356,165.89 : x
2. Step 2: Convert to fraction form
   1,593,820,648.56/2,199,480,134.31 = 879,356,165.89/x
3. Step 3: Cross multiply
   1,593,820,648.56x = 2,199,480,134.31 × 879,356,165.89
4. Step 4: Simplify right side
   1,593,820,648.56x = 1,934,126,417,858,063,872
5. Step 5: Solve for x
   x = 1,934,126,417,858,063,872/1,593,820,648.56
6. Step 6: Final answer
   x = 1,213,515,723.75