Finding the Fourth Proportional to 231,019,655.31, 346,296,173.81 and 144,818,481.69

Step by Step Solution

1. Step 1: Write the proportion equation
   231,019,655.31 : 346,296,173.81 = 144,818,481.69 : x
2. Step 2: Convert to fraction form
   231,019,655.31/346,296,173.81 = 144,818,481.69/x
3. Step 3: Cross multiply
   231,019,655.31x = 346,296,173.81 × 144,818,481.69
4. Step 4: Simplify right side
   231,019,655.31x = 50,150,086,105,496,448
5. Step 5: Solve for x
   x = 50,150,086,105,496,448/231,019,655.31
6. Step 6: Final answer
   x = 217,081,468.84