Finding the Fourth Proportional to 664,099,892.76, 996,754,333.20 and 353,468,298

Step by Step Solution

1. Step 1: Write the proportion equation
   664,099,892.76 : 996,754,333.20 = 353,468,298 : x
2. Step 2: Convert to fraction form
   664,099,892.76/996,754,333.20 = 353,468,298/x
3. Step 3: Cross multiply
   664,099,892.76x = 996,754,333.20 × 353,468,298
4. Step 4: Simplify right side
   664,099,892.76x = 352,321,057,680,328,896
5. Step 5: Solve for x
   x = 352,321,057,680,328,896/664,099,892.76
6. Step 6: Final answer
   x = 530,524,189.99