Finding the Fourth Proportional to 23,114.04, 31,897.98 and 13,689.96

Step by Step Solution

1. Step 1: Write the proportion equation
   23,114.04 : 31,897.98 = 13,689.96 : x
2. Step 2: Convert to fraction form
   23,114.04/31,897.98 = 13,689.96/x
3. Step 3: Cross multiply
   23,114.04x = 31,897.98 × 13,689.96
4. Step 4: Simplify right side
   23,114.04x = 436,682,070.28
5. Step 5: Solve for x
   x = 436,682,070.28/23,114.04
6. Step 6: Final answer
   x = 18,892.50