Finding the Fourth Proportional to 23,185.05, 31,971.31 and 19,838.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,185.05 : 31,971.31 = 19,838.94 : x
2. Step 2: Convert to fraction form
   23,185.05/31,971.31 = 19,838.94/x
3. Step 3: Cross multiply
   23,185.05x = 31,971.31 × 19,838.94
4. Step 4: Simplify right side
   23,185.05x = 634,276,900.81
5. Step 5: Solve for x
   x = 634,276,900.81/23,185.05
6. Step 6: Final answer
   x = 27,357.15