Finding the Fourth Proportional to 2,261,291,589.72, 3,120,363,780.06 and 1,308,482,267.19

Step by Step Solution

1. Step 1: Write the proportion equation
   2,261,291,589.72 : 3,120,363,780.06 = 1,308,482,267.19 : x
2. Step 2: Convert to fraction form
   2,261,291,589.72/3,120,363,780.06 = 1,308,482,267.19/x
3. Step 3: Cross multiply
   2,261,291,589.72x = 3,120,363,780.06 × 1,308,482,267.19
4. Step 4: Simplify right side
   2,261,291,589.72x = 4,082,940,673,390,467,584
5. Step 5: Solve for x
   x = 4,082,940,673,390,467,584/2,261,291,589.72
6. Step 6: Final answer
   x = 1,805,579,029.24