Finding the Fourth Proportional to 3,780,387,686.18, 5,216,935,952.50 and 2,086,843,314.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,387,686.18 : 5,216,935,952.50 = 2,086,843,314.98 : x
2. Step 2: Convert to fraction form
   3,780,387,686.18/5,216,935,952.50 = 2,086,843,314.98/x
3. Step 3: Cross multiply
   3,780,387,686.18x = 5,216,935,952.50 × 2,086,843,314.98
4. Step 4: Simplify right side
   3,780,387,686.18x = 10,886,927,917,153,443,840
5. Step 5: Solve for x
   x = 10,886,927,917,153,443,840/3,780,387,686.18
6. Step 6: Final answer
   x = 2,879,844,296.65