Finding the Fourth Proportional to 23,700.67, 32,706.72 and 13,090.07

Step by Step Solution

1. Step 1: Write the proportion equation
   23,700.67 : 32,706.72 = 13,090.07 : x
2. Step 2: Convert to fraction form
   23,700.67/32,706.72 = 13,090.07/x
3. Step 3: Cross multiply
   23,700.67x = 32,706.72 × 13,090.07
4. Step 4: Simplify right side
   23,700.67x = 428,133,336.04
5. Step 5: Solve for x
   x = 428,133,336.04/23,700.67
6. Step 6: Final answer
   x = 18,064.19