Finding the Fourth Proportional to 22,583.00, 31,165.60 and 13,630.31

Step by Step Solution

1. Step 1: Write the proportion equation
   22,583.00 : 31,165.60 = 13,630.31 : x
2. Step 2: Convert to fraction form
   22,583.00/31,165.60 = 13,630.31/x
3. Step 3: Cross multiply
   22,583.00x = 31,165.60 × 13,630.31
4. Step 4: Simplify right side
   22,583.00x = 424,796,743.21
5. Step 5: Solve for x
   x = 424,796,743.21/22,583.00
6. Step 6: Final answer
   x = 18,810.47