Finding the Fourth Proportional to 31,623.28, 43,644.71 and 18,877

Step by Step Solution

1. Step 1: Write the proportion equation
   31,623.28 : 43,644.71 = 18,877 : x
2. Step 2: Convert to fraction form
   31,623.28/43,644.71 = 18,877/x
3. Step 3: Cross multiply
   31,623.28x = 43,644.71 × 18,877
4. Step 4: Simplify right side
   31,623.28x = 823,881,190.67
5. Step 5: Solve for x
   x = 823,881,190.67/31,623.28
6. Step 6: Final answer
   x = 26,053.00