Finding the Fourth Proportional to 2,105,262,562.25, 2,905,147,236.74 and 1,152,458,979.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,105,262,562.25 : 2,905,147,236.74 = 1,152,458,979.05 : x
2. Step 2: Convert to fraction form
   2,105,262,562.25/2,905,147,236.74 = 1,152,458,979.05/x
3. Step 3: Cross multiply
   2,105,262,562.25x = 2,905,147,236.74 × 1,152,458,979.05
4. Step 4: Simplify right side
   2,105,262,562.25x = 3,348,063,018,423,021,568
5. Step 5: Solve for x
   x = 3,348,063,018,423,021,568/2,105,262,562.25
6. Step 6: Final answer
   x = 1,590,330,383.71