Finding the Fourth Proportional to 31,097.34, 46,645.85 and 8,910.69

Step by Step Solution

1. Step 1: Write the proportion equation
   31,097.34 : 46,645.85 = 8,910.69 : x
2. Step 2: Convert to fraction form
   31,097.34/46,645.85 = 8,910.69/x
3. Step 3: Cross multiply
   31,097.34x = 46,645.85 × 8,910.69
4. Step 4: Simplify right side
   31,097.34x = 415,646,664.58
5. Step 5: Solve for x
   x = 415,646,664.58/31,097.34
6. Step 6: Final answer
   x = 13,365.99