Finding the Fourth Proportional to 2,154,123,773.21, 3,226,660,651.29 and 1,366,772,146.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,154,123,773.21 : 3,226,660,651.29 = 1,366,772,146.43 : x
2. Step 2: Convert to fraction form
   2,154,123,773.21/3,226,660,651.29 = 1,366,772,146.43/x
3. Step 3: Cross multiply
   2,154,123,773.21x = 3,226,660,651.29 × 1,366,772,146.43
4. Step 4: Simplify right side
   2,154,123,773.21x = 4,410,109,904,148,721,664
5. Step 5: Solve for x
   x = 4,410,109,904,148,721,664/2,154,123,773.21
6. Step 6: Final answer
   x = 2,047,287,142.46