Finding the Fourth Proportional to 2,591,676,812.16, 3,576,513,945.20 and 1,402,245,781.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591,676,812.16 : 3,576,513,945.20 = 1,402,245,781.16 : x
2. Step 2: Convert to fraction form
   2,591,676,812.16/3,576,513,945.20 = 1,402,245,781.16/x
3. Step 3: Cross multiply
   2,591,676,812.16x = 3,576,513,945.20 × 1,402,245,781.16
4. Step 4: Simplify right side
   2,591,676,812.16x = 5,015,151,590,891,713,536
5. Step 5: Solve for x
   x = 5,015,151,590,891,713,536/2,591,676,812.16
6. Step 6: Final answer
   x = 1,935,099,147.92