Finding the Fourth Proportional to 23,137.35, 31,929.56 and 12,526.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.35 : 31,929.56 = 12,526.98 : x
2. Step 2: Convert to fraction form
   23,137.35/31,929.56 = 12,526.98/x
3. Step 3: Cross multiply
   23,137.35x = 31,929.56 × 12,526.98
4. Step 4: Simplify right side
   23,137.35x = 399,980,896.89
5. Step 5: Solve for x
   x = 399,980,896.89/23,137.35
6. Step 6: Final answer
   x = 17,287.24