Finding the Fourth Proportional to 23,621.72, 32,598.06 and 13,011.32

Step by Step Solution

1. Step 1: Write the proportion equation
   23,621.72 : 32,598.06 = 13,011.32 : x
2. Step 2: Convert to fraction form
   23,621.72/32,598.06 = 13,011.32/x
3. Step 3: Cross multiply
   23,621.72x = 32,598.06 × 13,011.32
4. Step 4: Simplify right side
   23,621.72x = 424,143,724.98
5. Step 5: Solve for x
   x = 424,143,724.98/23,621.72
6. Step 6: Final answer
   x = 17,955.67