Finding the Fourth Proportional to 208,874,162.31, 313,321,650.47 and 79,491,800.00

Step by Step Solution

1. Step 1: Write the proportion equation
   208,874,162.31 : 313,321,650.47 = 79,491,800.00 : x
2. Step 2: Convert to fraction form
   208,874,162.31/313,321,650.47 = 79,491,800.00/x
3. Step 3: Cross multiply
   208,874,162.31x = 313,321,650.47 × 79,491,800.00
4. Step 4: Simplify right side
   208,874,162.31x = 24,906,501,974,200,192
5. Step 5: Solve for x
   x = 24,906,501,974,200,192/208,874,162.31
6. Step 6: Final answer
   x = 119,241,660.62