Finding the Fourth Proportional to 328,452,308.37, 492,848,297.69 and 144,348,964.38

Step by Step Solution

1. Step 1: Write the proportion equation
   328,452,308.37 : 492,848,297.69 = 144,348,964.38 : x
2. Step 2: Convert to fraction form
   328,452,308.37/492,848,297.69 = 144,348,964.38/x
3. Step 3: Cross multiply
   328,452,308.37x = 492,848,297.69 × 144,348,964.38
4. Step 4: Simplify right side
   328,452,308.37x = 71,142,141,367,275,696
5. Step 5: Solve for x
   x = 71,142,141,367,275,696/328,452,308.37
6. Step 6: Final answer
   x = 216,598,086.10