Finding the Fourth Proportional to 2,154,123,781.89, 3,226,660,664.33 and 1,366,772,155.11

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,123,781.89 : 3,226,660,664.33 = 1,366,772,155.11 : x
2. Step 2: Convert to fraction form
   2,154,123,781.89/3,226,660,664.33 = 1,366,772,155.11/x
3. Step 3: Cross multiply
   2,154,123,781.89x = 3,226,660,664.33 × 1,366,772,155.11
4. Step 4: Simplify right side
   2,154,123,781.89x = 4,410,109,949,994,977,792
5. Step 5: Solve for x
   x = 4,410,109,949,994,977,792/2,154,123,781.89
6. Step 6: Final answer
   x = 2,047,287,155.49