Finding the Fourth Proportional to 721,053,339.48, 1,081,761,877.71 and 333,150,420.15

Step by Step Solution

1. Step 1: Write the proportion equation
   721,053,339.48 : 1,081,761,877.71 = 333,150,420.15 : x
2. Step 2: Convert to fraction form
   721,053,339.48/1,081,761,877.71 = 333,150,420.15/x
3. Step 3: Cross multiply
   721,053,339.48x = 1,081,761,877.71 × 333,150,420.15
4. Step 4: Simplify right side
   721,053,339.48x = 360,389,424,061,339,392
5. Step 5: Solve for x
   x = 360,389,424,061,339,392/721,053,339.48
6. Step 6: Final answer
   x = 499,809,659.46