Finding the Fourth Proportional to 98,455.25, 147,651.89 and 31,880.00

Step by Step Solution

1. Step 1: Write the proportion equation
   98,455.25 : 147,651.89 = 31,880.00 : x
2. Step 2: Convert to fraction form
   98,455.25/147,651.89 = 31,880.00/x
3. Step 3: Cross multiply
   98,455.25x = 147,651.89 × 31,880.00
4. Step 4: Simplify right side
   98,455.25x = 4,707,141,355.54
5. Step 5: Solve for x
   x = 4,707,141,355.54/98,455.25
6. Step 6: Final answer
   x = 47,809.96