Finding the Fourth Proportional to 23,141.61, 31,934.78 and 13,710.17

Step by Step Solution

1. Step 1: Write the proportion equation
   23,141.61 : 31,934.78 = 13,710.17 : x
2. Step 2: Convert to fraction form
   23,141.61/31,934.78 = 13,710.17/x
3. Step 3: Cross multiply
   23,141.61x = 31,934.78 × 13,710.17
4. Step 4: Simplify right side
   23,141.61x = 437,831,262.71
5. Step 5: Solve for x
   x = 437,831,262.71/23,141.61
6. Step 6: Final answer
   x = 18,919.65