Finding the Fourth Proportional to 2,645,147,963.73, 3,970,173,586.23 and 1,335,969,402.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,147,963.73 : 3,970,173,586.23 = 1,335,969,402.63 : x
2. Step 2: Convert to fraction form
   2,645,147,963.73/3,970,173,586.23 = 1,335,969,402.63/x
3. Step 3: Cross multiply
   2,645,147,963.73x = 3,970,173,586.23 × 1,335,969,402.63
4. Step 4: Simplify right side
   2,645,147,963.73x = 5,304,030,434,333,097,984
5. Step 5: Solve for x
   x = 5,304,030,434,333,097,984/2,645,147,963.73
6. Step 6: Final answer
   x = 2,005,192,339.73