Finding the Fourth Proportional to 2,166,714,013.61, 3,249,046,488.66 and 839,363,747.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,166,714,013.61 : 3,249,046,488.66 = 839,363,747.69 : x
2. Step 2: Convert to fraction form
   2,166,714,013.61/3,249,046,488.66 = 839,363,747.69/x
3. Step 3: Cross multiply
   2,166,714,013.61x = 3,249,046,488.66 × 839,363,747.69
4. Step 4: Simplify right side
   2,166,714,013.61x = 2,727,131,837,124,447,232
5. Step 5: Solve for x
   x = 2,727,131,837,124,447,232/2,166,714,013.61
6. Step 6: Final answer
   x = 1,258,648,727.98