Finding the Fourth Proportional to 2,456,524,120.18, 3,389,624,473.81 and 1,399,117,290.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,456,524,120.18 : 3,389,624,473.81 = 1,399,117,290.50 : x
2. Step 2: Convert to fraction form
   2,456,524,120.18/3,389,624,473.81 = 1,399,117,290.50/x
3. Step 3: Cross multiply
   2,456,524,120.18x = 3,389,624,473.81 × 1,399,117,290.50
4. Step 4: Simplify right side
   2,456,524,120.18x = 4,742,482,209,609,535,488
5. Step 5: Solve for x
   x = 4,742,482,209,609,535,488/2,456,524,120.18
6. Step 6: Final answer
   x = 1,930,566,107.88