Finding the Fourth Proportional to 1,262,047,571.82, 1,740,722,400.81 and 885,788,118.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,262,047,571.82 : 1,740,722,400.81 = 885,788,118.18 : x
2. Step 2: Convert to fraction form
   1,262,047,571.82/1,740,722,400.81 = 885,788,118.18/x
3. Step 3: Cross multiply
   1,262,047,571.82x = 1,740,722,400.81 × 885,788,118.18
4. Step 4: Simplify right side
   1,262,047,571.82x = 1,541,911,219,687,172,864
5. Step 5: Solve for x
   x = 1,541,911,219,687,172,864/1,262,047,571.82
6. Step 6: Final answer
   x = 1,221,753,643.93