Finding the Fourth Proportional to 2,590,361,860.05, 3,885,814,973.16 and 843,700,608.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,590,361,860.05 : 3,885,814,973.16 = 843,700,608.50 : x
2. Step 2: Convert to fraction form
   2,590,361,860.05/3,885,814,973.16 = 843,700,608.50/x
3. Step 3: Cross multiply
   2,590,361,860.05x = 3,885,814,973.16 × 843,700,608.50
4. Step 4: Simplify right side
   2,590,361,860.05x = 3,278,464,457,354,074,112
5. Step 5: Solve for x
   x = 3,278,464,457,354,074,112/2,590,361,860.05
6. Step 6: Final answer
   x = 1,265,639,564.85