Finding the Fourth Proportional to 1,604,185,513.25, 2,404,579,964.54 and 539,594,905.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,604,185,513.25 : 2,404,579,964.54 = 539,594,905.39 : x
2. Step 2: Convert to fraction form
   1,604,185,513.25/2,404,579,964.54 = 539,594,905.39/x
3. Step 3: Cross multiply
   1,604,185,513.25x = 2,404,579,964.54 × 539,594,905.39
4. Step 4: Simplify right side
   1,604,185,513.25x = 1,297,499,098,459,941,376
5. Step 5: Solve for x
   x = 1,297,499,098,459,941,376/1,604,185,513.25
6. Step 6: Final answer
   x = 808,821,104.38