Finding the Fourth Proportional to 23,686.10, 32,686.61 and 13,075.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,686.10 : 32,686.61 = 13,075.50 : x
2. Step 2: Convert to fraction form
   23,686.10/32,686.61 = 13,075.50/x
3. Step 3: Cross multiply
   23,686.10x = 32,686.61 × 13,075.50
4. Step 4: Simplify right side
   23,686.10x = 427,393,777.23
5. Step 5: Solve for x
   x = 427,393,777.23/23,686.10
6. Step 6: Final answer
   x = 18,044.08