Finding the Fourth Proportional to 23,188.01, 31,990.37 and 15,131.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,188.01 : 31,990.37 = 15,131.14 : x
2. Step 2: Convert to fraction form
   23,188.01/31,990.37 = 15,131.14/x
3. Step 3: Cross multiply
   23,188.01x = 31,990.37 × 15,131.14
4. Step 4: Simplify right side
   23,188.01x = 484,050,611.49
5. Step 5: Solve for x
   x = 484,050,611.49/23,188.01
6. Step 6: Final answer
   x = 20,875.04