Finding the Fourth Proportional to 1,643,658,061.84, 2,466,334,741.76 and 770,348,152.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,643,658,061.84 : 2,466,334,741.76 = 770,348,152.42 : x
2. Step 2: Convert to fraction form
   1,643,658,061.84/2,466,334,741.76 = 770,348,152.42/x
3. Step 3: Cross multiply
   1,643,658,061.84x = 2,466,334,741.76 × 770,348,152.42
4. Step 4: Simplify right side
   1,643,658,061.84x = 1,899,936,411,564,073,984
5. Step 5: Solve for x
   x = 1,899,936,411,564,073,984/1,643,658,061.84
6. Step 6: Final answer
   x = 1,155,919,503.99