Finding the Fourth Proportional to 2,645,699,888.72, 3,651,036,872.26 and 1,456,243,426.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,699,888.72 : 3,651,036,872.26 = 1,456,243,426.64 : x
2. Step 2: Convert to fraction form
   2,645,699,888.72/3,651,036,872.26 = 1,456,243,426.64/x
3. Step 3: Cross multiply
   2,645,699,888.72x = 3,651,036,872.26 × 1,456,243,426.64
4. Step 4: Simplify right side
   2,645,699,888.72x = 5,316,798,445,648,890,880
5. Step 5: Solve for x
   x = 5,316,798,445,648,890,880/2,645,699,888.72
6. Step 6: Final answer
   x = 2,009,599,980.83