Finding the Fourth Proportional to 31,076.72, 46,606.55 and 8,582.00

Step by Step Solution

1. Step 1: Write the proportion equation
   31,076.72 : 46,606.55 = 8,582.00 : x
2. Step 2: Convert to fraction form
   31,076.72/46,606.55 = 8,582.00/x
3. Step 3: Cross multiply
   31,076.72x = 46,606.55 × 8,582.00
4. Step 4: Simplify right side
   31,076.72x = 399,977,136.16
5. Step 5: Solve for x
   x = 399,977,136.16/31,076.72
6. Step 6: Final answer
   x = 12,870.64