Finding the Fourth Proportional to 2,645,699,887.72, 3,651,036,870.88 and 1,456,243,425.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645,699,887.72 : 3,651,036,870.88 = 1,456,243,425.64 : x
2. Step 2: Convert to fraction form
   2,645,699,887.72/3,651,036,870.88 = 1,456,243,425.64/x
3. Step 3: Cross multiply
   2,645,699,887.72x = 3,651,036,870.88 × 1,456,243,425.64
4. Step 4: Simplify right side
   2,645,699,887.72x = 5,316,798,439,988,238,336
5. Step 5: Solve for x
   x = 5,316,798,439,988,238,336/2,645,699,887.72
6. Step 6: Final answer
   x = 2,009,599,979.45