Finding the Fourth Proportional to 31,066.56, 46,596.60 and 8,878.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,066.56 : 46,596.60 = 8,878.50 : x
2. Step 2: Convert to fraction form
   31,066.56/46,596.60 = 8,878.50/x
3. Step 3: Cross multiply
   31,066.56x = 46,596.60 × 8,878.50
4. Step 4: Simplify right side
   31,066.56x = 413,707,913.10
5. Step 5: Solve for x
   x = 413,707,913.10/31,066.56
6. Step 6: Final answer
   x = 13,316.82