Finding the Fourth Proportional to 23,621.52, 32,596.56 and 13,011.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,621.52 : 32,596.56 = 13,011.60 : x
2. Step 2: Convert to fraction form
   23,621.52/32,596.56 = 13,011.60/x
3. Step 3: Cross multiply
   23,621.52x = 32,596.56 × 13,011.60
4. Step 4: Simplify right side
   23,621.52x = 424,133,400.10
5. Step 5: Solve for x
   x = 424,133,400.10/23,621.52
6. Step 6: Final answer
   x = 17,955.38