Finding the Fourth Proportional to 23,620.89, 32,596.43 and 13,011.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,620.89 : 32,596.43 = 13,011.51 : x
2. Step 2: Convert to fraction form
   23,620.89/32,596.43 = 13,011.51/x
3. Step 3: Cross multiply
   23,620.89x = 32,596.43 × 13,011.51
4. Step 4: Simplify right side
   23,620.89x = 424,128,611.93
5. Step 5: Solve for x
   x = 424,128,611.93/23,620.89
6. Step 6: Final answer
   x = 17,955.66