Finding the Fourth Proportional to 23,697.87, 32,703.06 and 13,087.50

Step by Step Solution

1. Step 1: Write the proportion equation
   23,697.87 : 32,703.06 = 13,087.50 : x
2. Step 2: Convert to fraction form
   23,697.87/32,703.06 = 13,087.50/x
3. Step 3: Cross multiply
   23,697.87x = 32,703.06 × 13,087.50
4. Step 4: Simplify right side
   23,697.87x = 428,001,297.75
5. Step 5: Solve for x
   x = 428,001,297.75/23,697.87
6. Step 6: Final answer
   x = 18,060.75