Finding the Fourth Proportional to 2,099,833,743.11, 3,147,550,455.63 and 978,432,864.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099,833,743.11 : 3,147,550,455.63 = 978,432,864.72 : x
2. Step 2: Convert to fraction form
   2,099,833,743.11/3,147,550,455.63 = 978,432,864.72/x
3. Step 3: Cross multiply
   2,099,833,743.11x = 3,147,550,455.63 × 978,432,864.72
4. Step 4: Simplify right side
   2,099,833,743.11x = 3,079,666,809,144,619,008
5. Step 5: Solve for x
   x = 3,079,666,809,144,619,008/2,099,833,743.11
6. Step 6: Final answer
   x = 1,466,624,116.91