Finding the Fourth Proportional to 31,097.70, 46,632.51 and 8,906.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.70 : 46,632.51 = 8,906.00 : x
2. Step 2: Convert to fraction form
   31,097.70/46,632.51 = 8,906.00/x
3. Step 3: Cross multiply
   31,097.70x = 46,632.51 × 8,906.00
4. Step 4: Simplify right side
   31,097.70x = 415,308,900.90
5. Step 5: Solve for x
   x = 415,308,900.90/31,097.70
6. Step 6: Final answer
   x = 13,354.97