Finding the Fourth Proportional to 23,137.34, 31,929.59 and 12,526.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.34 : 31,929.59 = 12,526.94 : x
2. Step 2: Convert to fraction form
   23,137.34/31,929.59 = 12,526.94/x
3. Step 3: Cross multiply
   23,137.34x = 31,929.59 × 12,526.94
4. Step 4: Simplify right side
   23,137.34x = 399,980,075.34
5. Step 5: Solve for x
   x = 399,980,075.34/23,137.34
6. Step 6: Final answer
   x = 17,287.21