Finding the Fourth Proportional to 104,969.50, 157,480.90 and 31,097.50

Step by Step Solution

1. Step 1: Write the proportion equation
   104,969.50 : 157,480.90 = 31,097.50 : x
2. Step 2: Convert to fraction form
   104,969.50/157,480.90 = 31,097.50/x
3. Step 3: Cross multiply
   104,969.50x = 157,480.90 × 31,097.50
4. Step 4: Simplify right side
   104,969.50x = 4,897,262,287.75
5. Step 5: Solve for x
   x = 4,897,262,287.75/104,969.50
6. Step 6: Final answer
   x = 46,654.15