Finding the Fourth Proportional to 2,278,456,619.34, 3,416,554,315.89 and 725,545,614.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,278,456,619.34 : 3,416,554,315.89 = 725,545,614.54 : x
2. Step 2: Convert to fraction form
   2,278,456,619.34/3,416,554,315.89 = 725,545,614.54/x
3. Step 3: Cross multiply
   2,278,456,619.34x = 3,416,554,315.89 × 725,545,614.54
4. Step 4: Simplify right side
   2,278,456,619.34x = 2,478,866,000,731,699,200
5. Step 5: Solve for x
   x = 2,478,866,000,731,699,200/2,278,456,619.34
6. Step 6: Final answer
   x = 1,087,958,392.40