Finding the Fourth Proportional to 441,815,886, 662,819,493.24 and 169,186,662.72

Step by Step Solution

1. Step 1: Write the proportion equation
   441,815,886 : 662,819,493.24 = 169,186,662.72 : x
2. Step 2: Convert to fraction form
   441,815,886/662,819,493.24 = 169,186,662.72/x
3. Step 3: Cross multiply
   441,815,886x = 662,819,493.24 × 169,186,662.72
4. Step 4: Simplify right side
   441,815,886x = 112,140,218,047,037,200
5. Step 5: Solve for x
   x = 112,140,218,047,037,200/441,815,886
6. Step 6: Final answer
   x = 253,816,627.24