Finding the Fourth Proportional to 23,123.48, 31,910.27 and 12,513.02

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.48 : 31,910.27 = 12,513.02 : x
2. Step 2: Convert to fraction form
   23,123.48/31,910.27 = 12,513.02/x
3. Step 3: Cross multiply
   23,123.48x = 31,910.27 × 12,513.02
4. Step 4: Simplify right side
   23,123.48x = 399,293,624.60
5. Step 5: Solve for x
   x = 399,293,624.60/23,123.48
6. Step 6: Final answer
   x = 17,267.89