Finding the Fourth Proportional to 23,111.36, 31,893.58 and 12,500.98

Step by Step Solution

1. Step 1: Write the proportion equation
   23,111.36 : 31,893.58 = 12,500.98 : x
2. Step 2: Convert to fraction form
   23,111.36/31,893.58 = 12,500.98/x
3. Step 3: Cross multiply
   23,111.36x = 31,893.58 × 12,500.98
4. Step 4: Simplify right side
   23,111.36x = 398,701,005.71
5. Step 5: Solve for x
   x = 398,701,005.71/23,111.36
6. Step 6: Final answer
   x = 17,251.30