Finding the Fourth Proportional to 2,174,539,667.49, 3,000,780,267.12 and 1,329,182,406.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,174,539,667.49 : 3,000,780,267.12 = 1,329,182,406.09 : x
2. Step 2: Convert to fraction form
   2,174,539,667.49/3,000,780,267.12 = 1,329,182,406.09/x
3. Step 3: Cross multiply
   2,174,539,667.49x = 3,000,780,267.12 × 1,329,182,406.09
4. Step 4: Simplify right side
   2,174,539,667.49x = 3,988,584,335,597,954,048
5. Step 5: Solve for x
   x = 3,988,584,335,597,954,048/2,174,539,667.49
6. Step 6: Final answer
   x = 1,834,220,085.85