Finding the Fourth Proportional to 1,581,613,017.42, 2,182,625,929.35 and 876,763,212.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,613,017.42 : 2,182,625,929.35 = 876,763,212.78 : x
2. Step 2: Convert to fraction form
   1,581,613,017.42/2,182,625,929.35 = 876,763,212.78/x
3. Step 3: Cross multiply
   1,581,613,017.42x = 2,182,625,929.35 × 876,763,212.78
4. Step 4: Simplify right side
   1,581,613,017.42x = 1,913,646,122,113,839,104
5. Step 5: Solve for x
   x = 1,913,646,122,113,839,104/1,581,613,017.42
6. Step 6: Final answer
   x = 1,209,933,214.41