Finding the Fourth Proportional to 1,917,231,828.72, 2,645,754,054.72 and 1,070,472,193.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,917,231,828.72 : 2,645,754,054.72 = 1,070,472,193.92 : x
2. Step 2: Convert to fraction form
   1,917,231,828.72/2,645,754,054.72 = 1,070,472,193.92/x
3. Step 3: Cross multiply
   1,917,231,828.72x = 2,645,754,054.72 × 1,070,472,193.92
4. Step 4: Simplify right side
   1,917,231,828.72x = 2,832,206,147,528,854,016
5. Step 5: Solve for x
   x = 2,832,206,147,528,854,016/1,917,231,828.72
6. Step 6: Final answer
   x = 1,477,237,183.89