Finding the Fourth Proportional to 1,007,294,028.72, 1,390,071,273.82 and 584,158,567.62

Step by Step Solution

1. Step 1: Write the proportion equation
   1,007,294,028.72 : 1,390,071,273.82 = 584,158,567.62 : x
2. Step 2: Convert to fraction form
   1,007,294,028.72/1,390,071,273.82 = 584,158,567.62/x
3. Step 3: Cross multiply
   1,007,294,028.72x = 1,390,071,273.82 × 584,158,567.62
4. Step 4: Simplify right side
   1,007,294,028.72x = 812,022,044,204,400,000
5. Step 5: Solve for x
   x = 812,022,044,204,400,000/1,007,294,028.72
6. Step 6: Final answer
   x = 806,142,021.15