Finding the Fourth Proportional to 2,761,490,116.74, 3,810,856,215.36 and 1,491,330,978.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761,490,116.74 : 3,810,856,215.36 = 1,491,330,978.12 : x
2. Step 2: Convert to fraction form
   2,761,490,116.74/3,810,856,215.36 = 1,491,330,978.12/x
3. Step 3: Cross multiply
   2,761,490,116.74x = 3,810,856,215.36 × 1,491,330,978.12
4. Step 4: Simplify right side
   2,761,490,116.74x = 5,683,247,927,127,510,016
5. Step 5: Solve for x
   x = 5,683,247,927,127,510,016/2,761,490,116.74
6. Step 6: Final answer
   x = 2,058,036,671.10