Finding the Fourth Proportional to 23,620.72, 32,596.80 and 13,010.40

Step by Step Solution

1. Step 1: Write the proportion equation
   23,620.72 : 32,596.80 = 13,010.40 : x
2. Step 2: Convert to fraction form
   23,620.72/32,596.80 = 13,010.40/x
3. Step 3: Cross multiply
   23,620.72x = 32,596.80 × 13,010.40
4. Step 4: Simplify right side
   23,620.72x = 424,097,406.72
5. Step 5: Solve for x
   x = 424,097,406.72/23,620.72
6. Step 6: Final answer
   x = 17,954.47