Finding the Fourth Proportional to 2,958,867,570.06, 4,438,937,422.17 and 860,380,441.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,958,867,570.06 : 4,438,937,422.17 = 860,380,441.02 : x
2. Step 2: Convert to fraction form
   2,958,867,570.06/4,438,937,422.17 = 860,380,441.02/x
3. Step 3: Cross multiply
   2,958,867,570.06x = 4,438,937,422.17 × 860,380,441.02
4. Step 4: Simplify right side
   2,958,867,570.06x = 3,819,174,936,946,806,272
5. Step 5: Solve for x
   x = 3,819,174,936,946,806,272/2,958,867,570.06
6. Step 6: Final answer
   x = 1,290,755,617.32