Finding the Fourth Proportional to 3,780,387,684.18, 5,216,935,949.73 and 2,086,843,312.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,387,684.18 : 5,216,935,949.73 = 2,086,843,312.98 : x
2. Step 2: Convert to fraction form
   3,780,387,684.18/5,216,935,949.73 = 2,086,843,312.98/x
3. Step 3: Cross multiply
   3,780,387,684.18x = 5,216,935,949.73 × 2,086,843,312.98
4. Step 4: Simplify right side
   3,780,387,684.18x = 10,886,927,900,939,014,144
5. Step 5: Solve for x
   x = 10,886,927,900,939,014,144/3,780,387,684.18
6. Step 6: Final answer
   x = 2,879,844,293.88