Finding the Fourth Proportional to 2,494,895,110.89, 3,746,021,517.50 and 1,391,655,481.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,494,895,110.89 : 3,746,021,517.50 = 1,391,655,481.35 : x
2. Step 2: Convert to fraction form
   2,494,895,110.89/3,746,021,517.50 = 1,391,655,481.35/x
3. Step 3: Cross multiply
   2,494,895,110.89x = 3,746,021,517.50 × 1,391,655,481.35
4. Step 4: Simplify right side
   2,494,895,110.89x = 5,213,171,378,076,960,768
5. Step 5: Solve for x
   x = 5,213,171,378,076,960,768/2,494,895,110.89
6. Step 6: Final answer
   x = 2,089,535,289.61