Finding the Fourth Proportional to 98,509.69, 147,787.89 and 31,949.83

Step by Step Solution

1. Step 1: Write the proportion equation
   98,509.69 : 147,787.89 = 31,949.83 : x
2. Step 2: Convert to fraction form
   98,509.69/147,787.89 = 31,949.83/x
3. Step 3: Cross multiply
   98,509.69x = 147,787.89 × 31,949.83
4. Step 4: Simplify right side
   98,509.69x = 4,721,797,961.56
5. Step 5: Solve for x
   x = 4,721,797,961.56/98,509.69
6. Step 6: Final answer
   x = 47,932.32