Finding the Fourth Proportional to 23,080.50, 31,851.23 and 13,526.03

Step by Step Solution

1. Step 1: Write the proportion equation
   23,080.50 : 31,851.23 = 13,526.03 : x
2. Step 2: Convert to fraction form
   23,080.50/31,851.23 = 13,526.03/x
3. Step 3: Cross multiply
   23,080.50x = 31,851.23 × 13,526.03
4. Step 4: Simplify right side
   23,080.50x = 430,820,465.63
5. Step 5: Solve for x
   x = 430,820,465.63/23,080.50
6. Step 6: Final answer
   x = 18,665.99