Finding the Fourth Proportional to 1,939,911,374.31, 2,677,078,770.72 and 1,047,838,096.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,939,911,374.31 : 2,677,078,770.72 = 1,047,838,096.77 : x
2. Step 2: Convert to fraction form
   1,939,911,374.31/2,677,078,770.72 = 1,047,838,096.77/x
3. Step 3: Cross multiply
   1,939,911,374.31x = 2,677,078,770.72 × 1,047,838,096.77
4. Step 4: Simplify right side
   1,939,911,374.31x = 2,805,145,124,014,615,552
5. Step 5: Solve for x
   x = 2,805,145,124,014,615,552/1,939,911,374.31
6. Step 6: Final answer
   x = 1,446,017,153.75