Finding the Fourth Proportional to 2,099,833,743.61, 3,147,550,456.39 and 978,432,865.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,833,743.61 : 3,147,550,456.39 = 978,432,865.22 : x
2. Step 2: Convert to fraction form
   2,099,833,743.61/3,147,550,456.39 = 978,432,865.22/x
3. Step 3: Cross multiply
   2,099,833,743.61x = 3,147,550,456.39 × 978,432,865.22
4. Step 4: Simplify right side
   2,099,833,743.61x = 3,079,666,811,449,556,992
5. Step 5: Solve for x
   x = 3,079,666,811,449,556,992/2,099,833,743.61
6. Step 6: Final answer
   x = 1,466,624,117.66