Finding the Fourth Proportional to 4,908,967,715.59, 7,363,479,100.79 and 1,637,407,938.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,908,967,715.59 : 7,363,479,100.79 = 1,637,407,938.31 : x
2. Step 2: Convert to fraction form
   4,908,967,715.59/7,363,479,100.79 = 1,637,407,938.31/x
3. Step 3: Cross multiply
   4,908,967,715.59x = 7,363,479,100.79 × 1,637,407,938.31
4. Step 4: Simplify right side
   4,908,967,715.59x = 12,057,019,133,205,139,456
5. Step 5: Solve for x
   x = 12,057,019,133,205,139,456/4,908,967,715.59
6. Step 6: Final answer
   x = 2,456,121,089.35