Finding the Fourth Proportional to 7,152,967,888.62, 10,729,454,597.73 and 3,218,078,815.98

Step by Step Solution

1. Step 1: Write the proportion equation
   7,152,967,888.62 : 10,729,454,597.73 = 3,218,078,815.98 : x
2. Step 2: Convert to fraction form
   7,152,967,888.62/10,729,454,597.73 = 3,218,078,815.98/x
3. Step 3: Cross multiply
   7,152,967,888.62x = 10,729,454,597.73 × 3,218,078,815.98
4. Step 4: Simplify right side
   7,152,967,888.62x = 34,528,230,547,974,123,520
5. Step 5: Solve for x
   x = 34,528,230,547,974,123,520/7,152,967,888.62
6. Step 6: Final answer
   x = 4,827,119,467.84