Finding the Fourth Proportional to 1,826,901,089.92, 2,521,147,690.56 and 991,535,674.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,826,901,089.92 : 2,521,147,690.56 = 991,535,674.24 : x
2. Step 2: Convert to fraction form
   1,826,901,089.92/2,521,147,690.56 = 991,535,674.24/x
3. Step 3: Cross multiply
   1,826,901,089.92x = 2,521,147,690.56 × 991,535,674.24
4. Step 4: Simplify right side
   1,826,901,089.92x = 2,499,807,875,218,028,544
5. Step 5: Solve for x
   x = 2,499,807,875,218,028,544/1,826,901,089.92
6. Step 6: Final answer
   x = 1,368,332,357.46