Finding the Fourth Proportional to 1,643,658,071.95, 2,466,334,756.78 and 770,348,162.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,658,071.95 : 2,466,334,756.78 = 770,348,162.53 : x
2. Step 2: Convert to fraction form
   1,643,658,071.95/2,466,334,756.78 = 770,348,162.53/x
3. Step 3: Cross multiply
   1,643,658,071.95x = 2,466,334,756.78 × 770,348,162.53
4. Step 4: Simplify right side
   1,643,658,071.95x = 1,899,936,448,056,619,008
5. Step 5: Solve for x
   x = 1,899,936,448,056,619,008/1,643,658,071.95
6. Step 6: Final answer
   x = 1,155,919,519.08